Gecko [ nrupathungauniversityblr.ac.in ]

/ usr / bin / [ HOME SHELL ]

Name	Size	Permission
X11	[ DIR ]	drwxr-xr-x
2to3-2.7	96 B	-rwxr-xr-x
NF	963 B	-rwxr-xr-x
VGAuthService	126.22 KB	-rwxr-xr-x
[	50.18 KB	-rwxr-xr-x
a2ping	99.98 KB	-rwxr-xr-x
a5toa4	1.07 KB	-rwxr-xr-x
aa-enabled	22.16 KB	-rwxr-xr-x
aa-exec	22.16 KB	-rwxr-xr-x
ab	54.18 KB	-rwxr-xr-x
aclocal	35.93 KB	-rwxr-xr-x
aclocal-1.15	35.93 KB	-rwxr-xr-x
acpi_listen	14.27 KB	-rwxr-xr-x
acyclic	10 KB	-rwxr-xr-x
add-apt-repository	7.24 KB	-rwxr-xr-x
addpart	22.08 KB	-rwxr-xr-x
addr2line	30.55 KB	-rwxr-xr-x
adhocfilelist	8.41 KB	-rwxr-xr-x
afm2afm	12.7 KB	-rwxr-xr-x
afm2pl	34.34 KB	-rwxr-xr-x
afm2tfm	48.73 KB	-rwxr-xr-x
aleph	527.5 KB	-rwxr-xr-x
allcm	3.4 KB	-rwxr-xr-x
allec	3.4 KB	-rwxr-xr-x
allneeded	903 B	-rwxr-xr-x
apport-bug	2.5 KB	-rwxr-xr-x
apport-cli	13.05 KB	-rwxr-xr-x
apport-collect	2.5 KB	-rwxr-xr-x
apport-unpack	1.81 KB	-rwxr-xr-x
apropos	46.98 KB	-rwxr-xr-x
apt	14.09 KB	-rwxr-xr-x
apt-add-repository	7.24 KB	-rwxr-xr-x
apt-cache	78.16 KB	-rwxr-xr-x
apt-cdrom	22.16 KB	-rwxr-xr-x
apt-config	22.09 KB	-rwxr-xr-x
apt-extracttemplates	22.16 KB	-rwxr-xr-x
apt-ftparchive	234.16 KB	-rwxr-xr-x
apt-get	42.16 KB	-rwxr-xr-x
apt-key	26.75 KB	-rwxr-xr-x
apt-mark	42.16 KB	-rwxr-xr-x
apt-sortpkgs	42.09 KB	-rwxr-xr-x
ar	58.24 KB	-rwxr-xr-x
arara	108 B	-rwxr-xr-x
arch	34.21 KB	-rwxr-xr-x
arlatex	9.74 KB	-rwxr-xr-x
as	895.98 KB	-rwxr-xr-x
at	50.26 KB	-rwsr-sr-x
atq	50.26 KB	-rwsr-sr-x
atrm	50.26 KB	-rwsr-sr-x
authorindex	19.98 KB	-rwxr-xr-x
autoconf	14.42 KB	-rwxr-xr-x
autoheader	8.34 KB	-rwxr-xr-x
autoinst	80.49 KB	-rwxr-xr-x
autom4te	31.91 KB	-rwxr-xr-x
automake	247.38 KB	-rwxr-xr-x
automake-1.15	247.38 KB	-rwxr-xr-x
automat-visualize3	402 B	-rwxr-xr-x
autopoint	25.97 KB	-rwxr-xr-x
autoreconf	20.67 KB	-rwxr-xr-x
autoscan	16.73 KB	-rwxr-xr-x
autosp	38.13 KB	-rwxr-xr-x
autoupdate	33.08 KB	-rwxr-xr-x
awk	642.65 KB	-rwxr-xr-x
aws	815 B	-rwxr-xr-x
aws_completer	1.11 KB	-rwxr-xr-x
b2sum	54.21 KB	-rwxr-xr-x
base32	38.18 KB	-rwxr-xr-x
base64	38.18 KB	-rwxr-xr-x
basename	34.18 KB	-rwxr-xr-x
bashbug	6.95 KB	-rwxr-xr-x
batch	152 B	-rwxr-xr-x
bc	90.7 KB	-rwxr-xr-x
bcomps	14.04 KB	-rwxr-xr-x
bibtex	118.08 KB	-rwxr-xr-x
bibtex.original	118.08 KB	-rwxr-xr-x
bibtex8	142.63 KB	-rwxr-xr-x
bibtexu	146.6 KB	-rwxr-xr-x
bootctl	34.13 KB	-rwxr-xr-x
browse	24.65 KB	-rwxr-xr-x
bsd-from	9.99 KB	-rwxr-xr-x
bsd-write	13.99 KB	-rwxr-sr-x
bundledoc	28.58 KB	-rwxr-xr-x
busctl	66.09 KB	-rwxr-xr-x
byobu	8.07 KB	-rwxr-xr-x
byobu-config	996 B	-rwxr-xr-x
byobu-ctrl-a	4.66 KB	-rwxr-xr-x
byobu-disable	1.26 KB	-rwxr-xr-x
byobu-disable-prompt	1.28 KB	-rwxr-xr-x
byobu-enable	1.15 KB	-rwxr-xr-x
byobu-enable-prompt	1.42 KB	-rwxr-xr-x
byobu-export	1.23 KB	-rwxr-xr-x
byobu-janitor	5.82 KB	-rwxr-xr-x
byobu-keybindings	1.47 KB	-rwxr-xr-x
byobu-launch	3.21 KB	-rwxr-xr-x
byobu-launcher	1.87 KB	-rwxr-xr-x
byobu-launcher-install	2.4 KB	-rwxr-xr-x
byobu-launcher-uninstall	1.52 KB	-rwxr-xr-x
byobu-layout	3.27 KB	-rwxr-xr-x
byobu-prompt	1.13 KB	-rwxr-xr-x
byobu-quiet	1.38 KB	-rwxr-xr-x
byobu-reconnect-sockets	3.22 KB	-rwxr-xr-x
byobu-screen	8.07 KB	-rwxr-xr-x
byobu-select-backend	1.42 KB	-rwxr-xr-x
byobu-select-profile	6.14 KB	-rwxr-xr-x
byobu-select-session	1012 B	-rwxr-xr-x
byobu-shell	1.56 KB	-rwxr-xr-x
byobu-silent	1.28 KB	-rwxr-xr-x
byobu-status	5.87 KB	-rwxr-xr-x
byobu-status-detail	1.18 KB	-rwxr-xr-x
byobu-tmux	8.07 KB	-rwxr-xr-x
byobu-ugraph	4.56 KB	-rwxr-xr-x
byobu-ulevel	11.71 KB	-rwxr-xr-x
c++	1022.94 KB	-rwxr-xr-x
c++filt	26.12 KB	-rwxr-xr-x
c89	428 B	-rwxr-xr-x
c89-gcc	428 B	-rwxr-xr-x
c99	454 B	-rwxr-xr-x
c99-gcc	454 B	-rwxr-xr-x
c_rehash	6.65 KB	-rwxr-xr-x
cachepic	7.79 KB	-rwxr-xr-x
cal	28.79 KB	-rwxr-xr-x
calendar	30.48 KB	-rwxr-xr-x
captoinfo	82.11 KB	-rwxr-xr-x
catchsegv	3.25 KB	-rwxr-xr-x
catman	38.46 KB	-rwxr-xr-x
cautious-launcher	853 B	-rwxr-xr-x
cc	1022.94 KB	-rwxr-xr-x
ccomps	22.04 KB	-rwxr-xr-x
certbot	385 B	-rwxr-xr-x
cftp3	380 B	-rwxr-xr-x
chacl	13.99 KB	-rwxr-xr-x
chage	70.13 KB	-rwxr-sr-x
chardet3	389 B	-rwxr-xr-x
chardetect3	389 B	-rwxr-xr-x
chattr	14 KB	-rwxr-xr-x
chcon	62.18 KB	-rwxr-xr-x
check-language-support	2.71 KB	-rwxr-xr-x
checkgid	5.99 KB	-rwxr-xr-x
checklistings	10.94 KB	-rwxr-xr-x
chfn	74.7 KB	-rwsr-xr-x
chrpath	18.26 KB	-rwxr-xr-x
chrt	30.08 KB	-rwxr-xr-x
chsh	43.48 KB	-rwsr-xr-x
circo	9.99 KB	-rwxr-xr-x
ckbcomp	146.33 KB	-rwxr-xr-x
ckeygen3	386 B	-rwxr-xr-x
cksum	34.18 KB	-rwxr-xr-x
clear	10 KB	-rwxr-xr-x
clear_console	10.07 KB	-rwxr-xr-x
cloud-id	396 B	-rwxr-xr-x
cloud-init	400 B	-rwxr-xr-x
cloud-init-per	2.06 KB	-rwxr-xr-x
cluster	555.3 KB	-rwxr-xr-x
cmp	46.09 KB	-rwxr-xr-x
codepage	13.99 KB	-rwxr-xr-x
col	9.99 KB	-rwxr-xr-x
col1	963 B	-rwxr-xr-x
col2	963 B	-rwxr-xr-x
col3	963 B	-rwxr-xr-x
col4	963 B	-rwxr-xr-x
col5	963 B	-rwxr-xr-x
col6	963 B	-rwxr-xr-x
col7	963 B	-rwxr-xr-x
col8	963 B	-rwxr-xr-x
col9	963 B	-rwxr-xr-x
colcrt	10 KB	-rwxr-xr-x
colrm	9.99 KB	-rwxr-xr-x
column	14.01 KB	-rwxr-xr-x
combinediff	46.58 KB	-rwxr-xr-x
comm	38.21 KB	-rwxr-xr-x
compose	17.74 KB	-rwxr-xr-x
composer	1.54 KB	-rwxr-xr-x
conch3	382 B	-rwxr-xr-x
corelist	12.53 KB	-rwxr-xr-x
cpan	7.96 KB	-rwxr-xr-x
cpan5.26-x86_64-linux-gnu	7.99 KB	-rwxr-xr-x
cpp	1022.94 KB	-rwxr-xr-x
cpp-7	1022.94 KB	-rwxr-xr-x
crc32	1.04 KB	-rwxr-xr-x
crontab	38.43 KB	-rwxr-sr-x
csplit	50.21 KB	-rwxr-xr-x
ctail	958 B	-rwxr-xr-x
ctan-o-mat	19.22 KB	-rwxr-xr-x
ctangle	46.38 KB	-rwxr-xr-x
ctanify	23.76 KB	-rwxr-xr-x
ctanupload	16.4 KB	-rwxr-xr-x
ctie	18.09 KB	-rwxr-xr-x
ctstat	22.35 KB	-rwxr-xr-x
curl	218.07 KB	-rwxr-xr-x
curl-config	5.94 KB	-rwxr-xr-x
cut	42.21 KB	-rwxr-xr-x
cweave	82.41 KB	-rwxr-xr-x
dbus-cleanup-sockets	9.98 KB	-rwxr-xr-x
dbus-daemon	231.04 KB	-rwxr-xr-x
dbus-monitor	21.99 KB	-rwxr-xr-x
dbus-run-session	9.98 KB	-rwxr-xr-x
dbus-send	25.98 KB	-rwxr-xr-x
dbus-update-activation-environ...	13.98 KB	-rwxr-xr-x
dbus-uuidgen	9.98 KB	-rwxr-xr-x
de-macro	33.35 KB	-rwxr-xr-x
deallocvt	10.07 KB	-rwxr-xr-x
deb-systemd-helper	19.67 KB	-rwxr-xr-x
deb-systemd-invoke	4.33 KB	-rwxr-xr-x
debconf	2.79 KB	-rwxr-xr-x
debconf-apt-progress	11.27 KB	-rwxr-xr-x
debconf-communicate	608 B	-rwxr-xr-x
debconf-copydb	1.68 KB	-rwxr-xr-x
debconf-escape	647 B	-rwxr-xr-x
debconf-gettextize	15.97 KB	-rwxr-xr-x
debconf-set-selections	2.87 KB	-rwxr-xr-x
debconf-show	1.78 KB	-rwxr-xr-x
debconf-updatepo	4.46 KB	-rwxr-xr-x
dehtmldiff	1.32 KB	-rwxr-xr-x
delpart	22.08 KB	-rwxr-xr-x
delv	40.86 KB	-rwxr-xr-x
depythontex	801 B	-rwxr-xr-x
depythontex3	275 B	-rwxr-xr-x
derb	22.57 KB	-rwxr-xr-x
detex	54 KB	-rwxr-xr-x
devnag	44.15 KB	-rwxr-xr-x
dh	28.43 KB	-rwxr-xr-x
dh-exec	14.27 KB	-rwxr-xr-x
dh_auto_build	1.35 KB	-rwxr-xr-x
dh_auto_clean	1.49 KB	-rwxr-xr-x
dh_auto_configure	1.6 KB	-rwxr-xr-x
dh_auto_install	2.77 KB	-rwxr-xr-x
dh_auto_test	1.63 KB	-rwxr-xr-x
dh_autoreconf	5.94 KB	-rwxr-xr-x
dh_autoreconf_clean	2.1 KB	-rwxr-xr-x
dh_autotools-dev_restoreconfig	1.79 KB	-rwxr-xr-x
dh_autotools-dev_updateconfig	1.81 KB	-rwxr-xr-x
dh_bash-completion	2.49 KB	-rwxr-xr-x
dh_bugfiles	3.57 KB	-rwxr-xr-x
dh_builddeb	4.96 KB	-rwxr-xr-x
dh_clean	4.89 KB	-rwxr-xr-x
dh_compress	7.05 KB	-rwxr-xr-x
dh_doxygen	4.13 KB	-rwxr-xr-x
dh_dwz	2.9 KB	-rwxr-xr-x
dh_fixperms	5.25 KB	-rwxr-xr-x
dh_gconf	2.62 KB	-rwxr-xr-x
dh_gencontrol	5.85 KB	-rwxr-xr-x
dh_icons	2.03 KB	-rwxr-xr-x
dh_install	11.22 KB	-rwxr-xr-x
dh_installcatalogs	3.23 KB	-rwxr-xr-x
dh_installchangelogs	6.08 KB	-rwxr-xr-x
dh_installcron	1.58 KB	-rwxr-xr-x
dh_installdeb	7.63 KB	-rwxr-xr-x
dh_installdebconf	3.2 KB	-rwxr-xr-x
dh_installdirs	1.95 KB	-rwxr-xr-x
dh_installdocs	14.66 KB	-rwxr-xr-x
dh_installemacsen	3.69 KB	-rwxr-xr-x
dh_installexamples	5.3 KB	-rwxr-xr-x
dh_installgsettings	2.18 KB	-rwxr-xr-x
dh_installifupdown	1.45 KB	-rwxr-xr-x
dh_installinfo	2.85 KB	-rwxr-xr-x
dh_installinit	13.3 KB	-rwxr-xr-x
dh_installlogcheck	1.92 KB	-rwxr-xr-x
dh_installlogrotate	1.12 KB	-rwxr-xr-x
dh_installman	11.04 KB	-rwxr-xr-x
dh_installmanpages	4.89 KB	-rwxr-xr-x
dh_installmenu	2.14 KB	-rwxr-xr-x
dh_installmime	1.29 KB	-rwxr-xr-x
dh_installmodules	2.62 KB	-rwxr-xr-x
dh_installpam	1.12 KB	-rwxr-xr-x
dh_installppp	1.37 KB	-rwxr-xr-x
dh_installsystemd	12.74 KB	-rwxr-xr-x
dh_installtex	17.97 KB	-rwxr-xr-x
dh_installudev	2.04 KB	-rwxr-xr-x
dh_installwm	3.05 KB	-rwxr-xr-x
dh_installxfonts	2.9 KB	-rwxr-xr-x
dh_installxmlcatalogs	9.22 KB	-rwxr-xr-x
dh_kubuntu_l10n_clean	959 B	-rwxr-xr-x
dh_kubuntu_l10n_generate	1.85 KB	-rwxr-xr-x
dh_link	4.23 KB	-rwxr-xr-x
dh_lintian	1.28 KB	-rwxr-xr-x
dh_listpackages	756 B	-rwxr-xr-x
dh_makeshlibs	9.01 KB	-rwxr-xr-x
dh_md5sums	2.99 KB	-rwxr-xr-x
dh_missing	5.99 KB	-rwxr-xr-x
dh_movefiles	4.69 KB	-rwxr-xr-x
dh_movelibkdeinit	4.46 KB	-rwxr-xr-x
dh_nodejs	943 B	-rwxr-xr-x
dh_perl	4.23 KB	-rwxr-xr-x
dh_perl_openssl	1.36 KB	-rwxr-xr-x
dh_prep	1.87 KB	-rwxr-xr-x
dh_python2	1.03 KB	-rwxr-xr-x
dh_qmlcdeps	3.22 KB	-rwxr-xr-x
dh_sameversiondep	17.95 KB	-rwxr-xr-x
dh_shlibdeps	6.13 KB	-rwxr-xr-x
dh_sodeps	3.38 KB	-rwxr-xr-x
dh_strip	13.94 KB	-rwxr-xr-x
dh_strip_nondeterminism	2.67 KB	-rwxr-xr-x
dh_systemd_enable	8.97 KB	-rwxr-xr-x
dh_systemd_start	8.31 KB	-rwxr-xr-x
dh_testdir	1.3 KB	-rwxr-xr-x
dh_testroot	1.91 KB	-rwxr-xr-x
dh_ucf	2.27 KB	-rwxr-xr-x
dh_update_autotools_config	1.84 KB	-rwxr-xr-x
dh_usrlocal	3.68 KB	-rwxr-xr-x
diff	142.34 KB	-rwxr-xr-x
diff3	62.21 KB	-rwxr-xr-x
diffimg	9.99 KB	-rwxr-xr-x
diffstat	42.11 KB	-rwxr-xr-x
dig	146.51 KB	-rwxr-xr-x
dijkstra	14.1 KB	-rwxr-xr-x
dircolors	46.19 KB	-rwxr-xr-x
dirmngr	533.55 KB	-rwxr-xr-x
dirmngr-client	106.76 KB	-rwxr-xr-x
dirname	30.18 KB	-rwxr-xr-x
disdvi	18.01 KB	-rwxr-xr-x
do-release-upgrade	6.77 KB	-rwxr-xr-x
dosepsbin	11.8 KB	-rwxr-xr-x
dot	9.99 KB	-rwxr-xr-x
dot2gxl	34.26 KB	-rwxr-xr-x
dot_builtins	10.1 KB	-rwxr-xr-x
dotty	2.04 KB	-rwxr-xr-x
doxygen	14.23 MB	-rwxr-xr-x
doxyindexer	622.23 KB	-rwxr-xr-x
doxysearch.cgi	46.16 KB	-rwxr-xr-x
dpkg	290.5 KB	-rwxr-xr-x
dpkg-architecture	12.55 KB	-rwxr-xr-x
dpkg-buildflags	7.39 KB	-rwxr-xr-x
dpkg-buildpackage	29.1 KB	-rwxr-xr-x
dpkg-checkbuilddeps	7.33 KB	-rwxr-xr-x
dpkg-deb	150.34 KB	-rwxr-xr-x
dpkg-distaddfile	2.72 KB	-rwxr-xr-x
dpkg-divert	138.41 KB	-rwxr-xr-x
dpkg-genbuildinfo	16.38 KB	-rwxr-xr-x
dpkg-genchanges	17.21 KB	-rwxr-xr-x
dpkg-gencontrol	13.73 KB	-rwxr-xr-x
dpkg-gensymbols	10.38 KB	-rwxr-xr-x
dpkg-maintscript-helper	18.58 KB	-rwxr-xr-x
dpkg-mergechangelogs	8.39 KB	-rwxr-xr-x
dpkg-name	6.63 KB	-rwxr-xr-x
dpkg-parsechangelog	4.33 KB	-rwxr-xr-x
dpkg-query	146.4 KB	-rwxr-xr-x
dpkg-scanpackages	8.23 KB	-rwxr-xr-x
dpkg-scansources	8.95 KB	-rwxr-xr-x
dpkg-shlibdeps	30.63 KB	-rwxr-xr-x
dpkg-source	22.75 KB	-rwxr-xr-x
dpkg-split	118.34 KB	-rwxr-xr-x
dpkg-statoverride	70.25 KB	-rwxr-xr-x
dpkg-trigger	66.26 KB	-rwxr-xr-x
dpkg-vendor	3.19 KB	-rwxr-xr-x
dt2dv	40.3 KB	-rwxr-xr-x
dtxgen	13.41 KB	-rwxr-xr-x
du	98.21 KB	-rwxr-xr-x
dumpkeys	166.52 KB	-rwxr-xr-x
dv2dt	19.54 KB	-rwxr-xr-x
dvi2fax	1.07 KB	-rwxr-xr-x
dvi2tty	58.59 KB	-rwxr-xr-x
dviasm	40.63 KB	-rwxr-xr-x
dvibook	26.69 KB	-rwxr-xr-x
dviconcat	26.78 KB	-rwxr-xr-x
dvicopy	62.09 KB	-rwxr-xr-x
dvihp	4.38 KB	-rwxr-xr-x
dviinfox	9.59 KB	-rwxr-xr-x
dvilj	54.51 KB	-rwxr-xr-x
dvilj2p	54.51 KB	-rwxr-xr-x
dvilj4	62.52 KB	-rwxr-xr-x
dvilj4l	62.52 KB	-rwxr-xr-x
dvilj6	62.52 KB	-rwxr-xr-x
dvilualatex	6.07 MB	-rwxr-xr-x
dviluatex	6.07 MB	-rwxr-xr-x
dvipdf	1023 B	-rwxr-xr-x
dvipdfm	751.77 KB	-rwxr-xr-x
dvipdfmx	751.77 KB	-rwxr-xr-x
dvipdft	2.63 KB	-rwxr-xr-x
dvipos	46.48 KB	-rwxr-xr-x
dvips	219.91 KB	-rwxr-xr-x
dvired	3.01 KB	-rwxr-xr-x
dviselect	26.69 KB	-rwxr-xr-x
dvisvgm	4.4 MB	-rwxr-xr-x
dvitodvi	30.72 KB	-rwxr-xr-x
dvitomp	787.71 KB	-rwxr-xr-x
dvitype	46.12 KB	-rwxr-xr-x
dwp	2.75 MB	-rwxr-xr-x
e2pall	2.66 KB	-rwxr-xr-x
eatmydata	2.74 KB	-rwxr-xr-x
ebb	751.77 KB	-rwxr-xr-x
ec2metadata	7.13 KB	-rwxr-xr-x
edgepaint	419.22 KB	-rwxr-xr-x
edit	17.74 KB	-rwxr-xr-x
editdiff	2.01 KB	-rwxr-xr-x
editor	240.11 KB	-rwxr-xr-x
eject	30.69 KB	-rwxr-xr-x
elfedit	30.45 KB	-rwxr-xr-x
enable-ec2-spot-hibernation	237 B	-rwxr-xr-x
enc2xs	41.17 KB	-rwxr-xr-x
encguess	2.99 KB	-rwxr-xr-x
env	34.18 KB	-rwxr-xr-x
envsubst	34.08 KB	-rwxr-xr-x
eps2eps	639 B	-rwxr-xr-x
epspdf	79.25 KB	-rwxr-xr-x
epspdftk	28.65 KB	-rwxr-xr-x
epstopdf	33.3 KB	-rwxr-xr-x
eptex	483.88 KB	-rwxr-xr-x
eqn	193.19 KB	-rwxr-xr-x
etex	806.43 KB	-rwxr-xr-x
euptex	490.24 KB	-rwxr-xr-x
ex	2.55 MB	-rwxr-xr-x
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expiry	22.27 KB	-rwxr-sr-x
expr	46.18 KB	-rwxr-xr-x
extractbb	751.77 KB	-rwxr-xr-x
factor	74.21 KB	-rwxr-xr-x
fail2ban-client	1.39 KB	-rwxr-xr-x
fail2ban-python	4.32 MB	-rwxr-xr-x
fail2ban-regex	1.25 KB	-rwxr-xr-x
fail2ban-server	1.39 KB	-rwxr-xr-x
fail2ban-testcases	2.23 KB	-rwxr-xr-x
faillog	18.29 KB	-rwxr-xr-x
faked-sysv	26.11 KB	-rwxr-xr-x
faked-tcp	30.1 KB	-rwxr-xr-x
fakeroot	3.76 KB	-rwxr-xr-x
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fakeroot-tcp	3.76 KB	-rwxr-xr-x
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fc-cache	14.07 KB	-rwxr-xr-x
fc-cat	14.07 KB	-rwxr-xr-x
fc-list	10.07 KB	-rwxr-xr-x
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fcgistarter	9.99 KB	-rwxr-xr-x
fdp	9.99 KB	-rwxr-xr-x
fftw-wisdom	39.94 KB	-rwxr-xr-x
fftw-wisdom-to-conf	2.23 KB	-rwxr-xr-x
fftwf-wisdom	39.94 KB	-rwxr-xr-x
fftwl-wisdom	39.94 KB	-rwxr-xr-x
fftwq-wisdom	39.94 KB	-rwxr-xr-x
fig4latex	4.52 KB	-rwxr-xr-x
file	22.26 KB	-rwxr-xr-x
filterdiff	47.15 KB	-rwxr-xr-x
find	232.5 KB	-rwxr-xr-x
findhyph	9.71 KB	-rwxr-xr-x
fixcvsdiff	1.83 KB	-rwxr-xr-x
flipdiff	46.58 KB	-rwxr-xr-x
flock	30.16 KB	-rwxr-xr-x
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fmtutil	47.48 KB	-rwxr-xr-x
fmtutil-sys	929 B	-rwxr-xr-x
fmtutil-user	876 B	-rwxr-xr-x
fold	34.18 KB	-rwxr-xr-x
fontinst	552 B	-rwxr-xr-x
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freetype-config	4.62 KB	-rwxr-xr-x
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funzip	21.99 KB	-rwxr-xr-x
futurize	384 B	-rwxr-xr-x
g++	1022.94 KB	-rwxr-xr-x
g++-7	1022.94 KB	-rwxr-xr-x
gapplication	18.07 KB	-rwxr-xr-x
gawk	642.65 KB	-rwxr-xr-x
gc	14.04 KB	-rwxr-xr-x
gcc	1022.94 KB	-rwxr-xr-x
gcc-7	1022.94 KB	-rwxr-xr-x
gcc-ar	30.47 KB	-rwxr-xr-x
gcc-ar-7	30.47 KB	-rwxr-xr-x
gcc-nm	30.47 KB	-rwxr-xr-x
gcc-nm-7	30.47 KB	-rwxr-xr-x
gcc-ranlib	30.47 KB	-rwxr-xr-x
gcc-ranlib-7	30.47 KB	-rwxr-xr-x
gcov	616.09 KB	-rwxr-xr-x
gcov-7	616.09 KB	-rwxr-xr-x
gcov-dump	499.93 KB	-rwxr-xr-x
gcov-dump-7	499.93 KB	-rwxr-xr-x
gcov-tool	535.99 KB	-rwxr-xr-x
gcov-tool-7	535.99 KB	-rwxr-xr-x
gdbus	42.08 KB	-rwxr-xr-x
gdbus-codegen	2 KB	-rwxr-xr-x
gdk-pixbuf-csource	10.01 KB	-rwxr-xr-x
gdk-pixbuf-pixdata	9.99 KB	-rwxr-xr-x
gdk-pixbuf-query-loaders	13.99 KB	-rwxr-xr-x
genbrk	14.48 KB	-rwxr-xr-x
gencat	22.22 KB	-rwxr-xr-x
gencfu	10.43 KB	-rwxr-xr-x
gencnval	22.32 KB	-rwxr-xr-x
gendict	22.55 KB	-rwxr-xr-x
genrb	147.64 KB	-rwxr-xr-x
geqn	193.19 KB	-rwxr-xr-x
getconf	30.13 KB	-rwxr-xr-x
getent	30.49 KB	-rwxr-xr-x
getfacl	22.62 KB	-rwxr-xr-x
getkeycodes	10.07 KB	-rwxr-xr-x
getmapdl	21.37 KB	-rwxr-xr-x
getopt	14.07 KB	-rwxr-xr-x
gettext	34.08 KB	-rwxr-xr-x
gettext.sh	4.52 KB	-rwxr-xr-x
gettextize	42.73 KB	-rwxr-xr-x
gftodvi	50.09 KB	-rwxr-xr-x
gftopk	26.08 KB	-rwxr-xr-x
gftype	26.09 KB	-rwxr-xr-x
ghostscript	9.99 KB	-rwxr-xr-x
ginstall-info	43.09 KB	-rwxr-xr-x
gio	78.09 KB	-rwxr-xr-x
gio-querymodules	9.99 KB	-rwxr-xr-x
git	2.27 MB	-rwxr-xr-x
git-receive-pack	2.27 MB	-rwxr-xr-x
git-shell	1.26 MB	-rwxr-xr-x
git-upload-archive	2.27 MB	-rwxr-xr-x
git-upload-pack	1.27 MB	-rwxr-xr-x
glib-compile-resources	38.07 KB	-rwxr-xr-x
glib-compile-schemas	42.07 KB	-rwxr-xr-x
glib-genmarshal	39.97 KB	-rwxr-xr-x
glib-gettextize	5.25 KB	-rwxr-xr-x
glib-mkenums	27.15 KB	-rwxr-xr-x
gml2gv	38.27 KB	-rwxr-xr-x
gobject-query	10 KB	-rwxr-xr-x
gold	2.97 MB	-rwxr-xr-x
gpasswd	74.05 KB	-rwsr-xr-x
gpg	997.6 KB	-rwxr-xr-x
gpg-agent	392.7 KB	-rwxr-xr-x
gpg-connect-agent	154.85 KB	-rwxr-xr-x
gpg-wks-server	187.02 KB	-rwxr-xr-x
gpg-zip	3.36 KB	-rwxr-xr-x
gpgconf	166.32 KB	-rwxr-xr-x
gpgparsemail	26.07 KB	-rwxr-xr-x
gpgsm	491.09 KB	-rwxr-xr-x
gpgsplit	78.45 KB	-rwxr-xr-x
gpgv	427.02 KB	-rwxr-xr-x
gpic	204.03 KB	-rwxr-xr-x
gprof	99.73 KB	-rwxr-xr-x
graphml2gv	18.08 KB	-rwxr-xr-x
gregorio	614.55 KB	-rwxr-xr-x
grepdiff	47.15 KB	-rwxr-xr-x
gresource	17.99 KB	-rwxr-xr-x
groff	105.31 KB	-rwxr-xr-x
grog	2.71 KB	-rwxr-xr-x
grops	165.72 KB	-rwxr-xr-x
grotty	121.34 KB	-rwxr-xr-x
groups	34.18 KB	-rwxr-xr-x
growpart	21.37 KB	-rwxr-xr-x
grub-editenv	239.93 KB	-rwxr-xr-x
grub-file	659.79 KB	-rwxr-xr-x
grub-fstest	789.65 KB	-rwxr-xr-x
grub-glue-efi	235.77 KB	-rwxr-xr-x
grub-kbdcomp	1.64 KB	-rwxr-xr-x
grub-menulst2cfg	216.04 KB	-rwxr-xr-x
grub-mkfont	264.34 KB	-rwxr-xr-x
grub-mkimage	328.84 KB	-rwxr-xr-x
grub-mklayout	240.09 KB	-rwxr-xr-x
grub-mknetdir	373.41 KB	-rwxr-xr-x
grub-mkpasswd-pbkdf2	244.12 KB	-rwxr-xr-x
grub-mkrelpath	235.49 KB	-rwxr-xr-x
grub-mkrescue	822.23 KB	-rwxr-xr-x
grub-mkstandalone	449.74 KB	-rwxr-xr-x
grub-mount	608.21 KB	-rwxr-xr-x
grub-ntldr-img	38.16 KB	-rwxr-xr-x
grub-render-label	676.16 KB	-rwxr-xr-x
grub-script-check	259.62 KB	-rwxr-xr-x
grub-syslinux2cfg	624.68 KB	-rwxr-xr-x
gs	9.99 KB	-rwxr-xr-x
gsbj	350 B	-rwxr-xr-x
gsdj	352 B	-rwxr-xr-x
gsdj500	352 B	-rwxr-xr-x
gsettings	26.07 KB	-rwxr-xr-x
gsftopk	30.19 KB	-rwxr-xr-x
gslj	353 B	-rwxr-xr-x
gslp	350 B	-rwxr-xr-x
gsnd	277 B	-rwxr-xr-x
gtbl	126.2 KB	-rwxr-xr-x
gtester	22.01 KB	-rwxr-xr-x
gtester-report	18.39 KB	-rwxr-xr-x
gtk-update-icon-cache	30.47 KB	-rwxr-xr-x
gv2gml	18.04 KB	-rwxr-xr-x
gv2gxl	34.26 KB	-rwxr-xr-x
gvcolor	44.26 KB	-rwxr-xr-x
gvgen	22 KB	-rwxr-xr-x
gvmap	559.3 KB	-rwxr-xr-x
gvmap.sh	2.13 KB	-rwxr-xr-x
gvpack	22.23 KB	-rwxr-xr-x
gvpr	5.99 KB	-rwxr-xr-x
gxl2dot	34.26 KB	-rwxr-xr-x
gxl2gv	34.26 KB	-rwxr-xr-x
gyp	276 B	-rwxr-xr-x
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h2xs	59.44 KB	-rwxr-xr-x
hd	26.1 KB	-rwxr-xr-x
head	42.21 KB	-rwxr-xr-x
helpztags	2.46 KB	-rwxr-xr-x
hexdump	26.1 KB	-rwxr-xr-x
hibagent	21.65 KB	-rwxr-xr-x
host	126.66 KB	-rwxr-xr-x
hostid	30.18 KB	-rwxr-xr-x
hostnamectl	18.07 KB	-rwxr-xr-x
htcacheclean	30 KB	-rwxr-xr-x
htdbm	21.99 KB	-rwxr-xr-x
htdigest	13.99 KB	-rwxr-xr-x
htop	180.68 KB	-rwxr-xr-x
htpasswd	17.99 KB	-rwxr-xr-x
hwe-support-status	10.58 KB	-rwxr-xr-x
i386	18.34 KB	-rwxr-xr-x
iconv	62.25 KB	-rwxr-xr-x
icuinfo	10.32 KB	-rwxr-xr-x
id	42.21 KB	-rwxr-xr-x
ifnames	4.03 KB	-rwxr-xr-x
igawk	3.11 KB	-rwxr-xr-x
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infobrowser	245.72 KB	-rwxr-xr-x
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inimf	319.62 KB	-rwxr-xr-x
initex	355.66 KB	-rwxr-xr-x
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install-info	43.09 KB	-rwxr-xr-x
installfont-tl	18.39 KB	-rwxr-xr-x
instmodsh	4.27 KB	-rwxr-xr-x
interdiff	46.58 KB	-rwxr-xr-x
ionice	26.08 KB	-rwxr-xr-x
ipcmk	26.14 KB	-rwxr-xr-x
ipcrm	26.08 KB	-rwxr-xr-x
ipcs	50.08 KB	-rwxr-xr-x
iptables-xml	92.74 KB	-rwxr-xr-x
ischroot	10.04 KB	-rwxr-xr-x
iscsiadm	381.95 KB	-rwxr-xr-x
join	46.21 KB	-rwxr-xr-x
js	17.52 MB	-rwxr-xr-x
json_pp	3.87 KB	-rwxr-xr-x
jsondiff	1018 B	-rwxr-xr-x
jsonlint-php	2.61 KB	-rwxr-xr-x
jsonpatch	3.58 KB	-rwxr-xr-x
jsonpointer	1.31 KB	-rwxr-xr-x
jsonschema	398 B	-rwxr-xr-x
kbdinfo	14.07 KB	-rwxr-xr-x
kbxutil	158.69 KB	-rwxr-xr-x
keep-one-running	3.51 KB	-rwxr-xr-x
kernel-install	4.4 KB	-rwxr-xr-x
killall	23.15 KB	-rwxr-xr-x
kpseaccess	9.99 KB	-rwxr-xr-x
kpsepath	3.38 KB	-rwxr-xr-x
kpsereadlink	9.99 KB	-rwxr-xr-x
kpsestat	9.99 KB	-rwxr-xr-x
kpsetool	3.38 KB	-rwxr-xr-x
kpsewhere	1.41 KB	-rwxr-xr-x
kpsewhich	22.87 KB	-rwxr-xr-x
kpsexpand	3.38 KB	-rwxr-xr-x
landscape-sysinfo	624 B	-rwxr-xr-x
last	42.08 KB	-rwxr-xr-x
lastb	42.08 KB	-rwxr-xr-x
lastlog	18.07 KB	-rwxr-xr-x
latex	806.43 KB	-rwxr-xr-x
latex-git-log	11.11 KB	-rwxr-xr-x
latex-papersize	9.74 KB	-rwxr-xr-x
latex-wordcount	3.1 KB	-rwxr-xr-x
latex2man	54.37 KB	-rwxr-xr-x
latex2nemeth	131 B	-rwxr-xr-x
latexdef	31.71 KB	-rwxr-xr-x
latexfileversion	3.1 KB	-rwxr-xr-x
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lcf	7.6 KB	-rwxr-xr-x
ld	1.7 MB	-rwxr-xr-x
ld.bfd	1.7 MB	-rwxr-xr-x
ld.gold	2.97 MB	-rwxr-xr-x
ldd	5.29 KB	-rwxr-xr-x
lefty	293.57 KB	-rwxr-xr-x
less	166.76 KB	-rwxr-xr-x
lessecho	10.02 KB	-rwxr-xr-x
lessfile	8.36 KB	-rwxr-xr-x
lesskey	19.39 KB	-rwxr-xr-x
lesspipe	8.36 KB	-rwxr-xr-x
letsencrypt	385 B	-rwxr-xr-x
lexgrog	90.57 KB	-rwxr-xr-x
libnetcfg	15.41 KB	-rwxr-xr-x
libpng-config	2.41 KB	-rwxr-xr-x
libpng16-config	2.41 KB	-rwxr-xr-x
libtool	363.59 KB	-rwxr-xr-x
libtoolize	126.16 KB	-rwxr-xr-x
libwmf-config	2.3 KB	-rwxr-xr-x
link	30.18 KB	-rwxr-xr-x
lintian	10.59 KB	-rwxr-xr-x
lintian-info	10.59 KB	-rwxr-xr-x
lintian-lab-tool	10.59 KB	-rwxr-xr-x
linux-boot-prober	1.54 KB	-rwxr-xr-x
linux-check-removal	3.99 KB	-rwxr-xr-x
linux-update-symlinks	6.17 KB	-rwxr-xr-x
linux-version	2.63 KB	-rwxr-xr-x
linux32	18.34 KB	-rwxr-xr-x
linux64	18.34 KB	-rwxr-xr-x
listings-ext	12.08 KB	-rwxr-xr-x
lneato	1.51 KB	-rwxr-xr-x
lnstat	22.35 KB	-rwxr-xr-x
loadkeys	206.57 KB	-rwxr-xr-x
loadunimap	26.13 KB	-rwxr-xr-x
locale	49.41 KB	-rwxr-xr-x
locale-check	10 KB	-rwxr-xr-x
localectl	22.07 KB	-rwxr-xr-x
localedef	330.8 KB	-rwxr-xr-x
locate	42.08 KB	-rwxr-sr-x
logger	46.67 KB	-rwxr-xr-x
logname	30.18 KB	-rwxr-xr-x
logresolve	10 KB	-rwxr-xr-x
look	10.23 KB	-rwxr-xr-x
lorder	2.82 KB	-rwxr-xr-x
lsattr	10 KB	-rwxr-xr-x
lsb_release	3.55 KB	-rwxr-xr-x
lscpu	70.08 KB	-rwxr-xr-x
lsdiff	47.15 KB	-rwxr-xr-x
lshw	670.95 KB	-rwxr-xr-x
lsinitramfs	625 B	-rwxr-xr-x
lsipc	70.08 KB	-rwxr-xr-x
lslocks	34.41 KB	-rwxr-xr-x
lslogins	62.08 KB	-rwxr-xr-x
lsmem	42.08 KB	-rwxr-xr-x
lsns	38.08 KB	-rwxr-xr-x
lsof	159.4 KB	-rwxr-xr-x
lspci	79.67 KB	-rwxr-xr-x
lspgpot	1.06 KB	-rwxr-xr-x
lsusb	114.43 KB	-rwxr-xr-x
ltrace	325.21 KB	-rwxr-xr-x
ltxfileinfo	13.46 KB	-rwxr-xr-x
ltximg	33.89 KB	-rwxr-xr-x
luajittex	5.97 MB	-rwxr-xr-x
lualatex	6.07 MB	-rwxr-xr-x
luatex	6.07 MB	-rwxr-xr-x
lwarpmk	15.93 KB	-rwxr-xr-x
lxc	9.8 MB	-rwxr-xr-x
lxcfs	18.07 KB	-rwxr-xr-x
lxd	105 B	-rwxr-xr-x
lzcat	74.36 KB	-rwxr-xr-x
lzcmp	6.48 KB	-rwxr-xr-x
lzdiff	6.48 KB	-rwxr-xr-x
lzegrep	5.76 KB	-rwxr-xr-x
lzfgrep	5.76 KB	-rwxr-xr-x
lzgrep	5.76 KB	-rwxr-xr-x
lzless	1.76 KB	-rwxr-xr-x
lzma	74.36 KB	-rwxr-xr-x
lzmainfo	10.07 KB	-rwxr-xr-x
lzmore	2.11 KB	-rwxr-xr-x
m4	154.3 KB	-rwxr-xr-x
mag	10 KB	-rwxr-xr-x
make	217.57 KB	-rwxr-xr-x
make-first-existing-target	4.79 KB	-rwxr-xr-x
make4ht	1.99 KB	-rwxr-xr-x
makeconv	46.8 KB	-rwxr-xr-x
makedtx	24.53 KB	-rwxr-xr-x
makeglossaries	41.96 KB	-rwxr-xr-x
makeglossaries-lite	11.11 KB	-rwxr-xr-x
makeindex	80.29 KB	-rwxr-xr-x
makejvf	34 KB	-rwxr-xr-x
man	104.5 KB	-rwxr-xr-x
mandb	126.72 KB	-rwxr-xr-x
manifest	1.9 KB	-rwxr-xr-x
manpath	30.47 KB	-rwxr-xr-x
mapscrn	22.13 KB	-rwxr-xr-x
match_parens	6.59 KB	-rwxr-xr-x
mathspic	125.53 KB	-rwxr-xr-x
mawk	122.48 KB	-rwxr-xr-x
mcookie	30.14 KB	-rwxr-xr-x
md5sum	42.21 KB	-rwxr-xr-x
md5sum.textutils	42.21 KB	-rwxr-xr-x
mdig	42.13 KB	-rwxr-xr-x
mendex	112.83 KB	-rwxr-xr-x
mesg	10.07 KB	-rwxr-xr-x
mf	319.62 KB	-rwxr-xr-x
mf-nowin	311.25 KB	-rwxr-xr-x
mf2pt1	37.23 KB	-rwxr-xr-x
mflua	375.62 KB	-rwxr-xr-x
mflua-nowin	375.62 KB	-rwxr-xr-x
mfluajit	375.62 KB	-rwxr-xr-x
mfluajit-nowin	375.62 KB	-rwxr-xr-x
mfplain	787.71 KB	-rwxr-xr-x
mft	46.11 KB	-rwxr-xr-x
migrate-pubring-from-classic-g...	2.14 KB	-rwxr-xr-x
mingle	419.45 KB	-rwxr-xr-x
miniterm	34.28 KB	-rwxr-xr-x
mk_modmap	15.78 KB	-rwxr-xr-x
mkfifo	62.18 KB	-rwxr-xr-x
mkindex	947 B	-rwxr-xr-x
mkjobtexmf	23.61 KB	-rwxr-xr-x
mkocp	171 B	-rwxr-xr-x
mkofm	85 B	-rwxr-xr-x
mkpasswd	18.07 KB	-rwxr-xr-x
mkpic	25.11 KB	-rwxr-xr-x
mksquashfs	184.99 KB	-rwxr-xr-x
mkt1font	33.44 KB	-rwxr-xr-x
mktexfmt	47.48 KB	-rwxr-xr-x
mktexlsr	7.59 KB	-rwxr-xr-x
mktexmf	3.87 KB	-rwxr-xr-x
mktexpk	9.59 KB	-rwxr-xr-x
mktextfm	4.93 KB	-rwxr-xr-x
mlocate	42.08 KB	-rwxr-sr-x
mm2gv	94.19 KB	-rwxr-xr-x
mpost	787.71 KB	-rwxr-xr-x
mptopdf	4.05 KB	-rwxr-xr-x
msgattrib	22.07 KB	-rwxr-xr-x
msgcat	22.07 KB	-rwxr-xr-x
msgcmp	22.08 KB	-rwxr-xr-x
msgcomm	22.07 KB	-rwxr-xr-x
msgconv	18.07 KB	-rwxr-xr-x
msgen	18.07 KB	-rwxr-xr-x
msgexec	14.07 KB	-rwxr-xr-x
msgfilter	26.07 KB	-rwxr-xr-x
msgfmt	78.27 KB	-rwxr-xr-x
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myisam_ftdump	3.75 MB	-rwxr-xr-x
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nice	34.18 KB	-rwxr-xr-x
nl	42.27 KB	-rwxr-xr-x
nm	43.27 KB	-rwxr-xr-x
node	17.52 MB	-rwxr-xr-x
node-gyp	3.51 KB	-rwxr-xr-x
nodejs	17.52 MB	-rwxr-xr-x
nohup	34.18 KB	-rwxr-xr-x
nop	10.04 KB	-rwxr-xr-x
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peekfd	10.2 KB	-rwxr-xr-x
perl	2 MB	-rwxr-xr-x
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phar.phar	14.48 KB	-rwxr-xr-x
phar.phar5.6	14.48 KB	-rwxr-xr-x
phar5.6	14.48 KB	-rwxr-xr-x
php	4.29 MB	-rwxr-xr-x
php-cgi	4.26 MB	-rwxr-xr-x
php-cgi5.6	4.26 MB	-rwxr-xr-x
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pkgkde-mark-qt5-private-symbol...	3.13 KB	-rwxr-xr-x
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python3-jsonschema	398 B	-rwxr-xr-x
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python3m	4.32 MB	-rwxr-xr-x
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rtstat	22.35 KB	-rwxr-xr-x
run-mailcap	17.74 KB	-rwxr-xr-x
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slabtop	18.08 KB	-rwxr-xr-x
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srcredact	11.78 KB	-rwxr-xr-x
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ssh-import-id-gh	782 B	-rwxr-xr-x
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sum	38.19 KB	-rwxr-xr-x
svn-multi	10.72 KB	-rwxr-xr-x
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synctex	29.99 KB	-rwxr-xr-x
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thumbpdf	41.72 KB	-rwxr-xr-x
tic	82.11 KB	-rwxr-xr-x
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time	14.38 KB	-rwxr-xr-x
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tree	75.57 KB	-rwxr-xr-x
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x86_64-pc-linux-gnu-pkg-config	50.09 KB	-rwxr-xr-x
xargs	70.21 KB	-rwxr-xr-x
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Code Editor : rpdfcrop

#!/usr/bin/env perl
use strict;
$^W=1; # turn warning on
#
# pdfcrop.pl
#
# Copyright (C) 2002, 2004, 2005, 2008-2012 Heiko Oberdiek.
#
# This program may be distributed and/or modified under the
# conditions of the LaTeX Project Public License, either version 1.2
# of this license or (at your option) any later version.
# The latest version of this license is in
#   http://www.latex-project.org/lppl.txt
# and version 1.2 or later is part of all distributions of LaTeX
# version 1999/12/01 or later.
#
# See file "README" for a list of files that belong to this project.
#
# This file "pdfcrop.pl" may be renamed to "pdfcrop"
# for installation purposes.
#
my $prj         = 'pdfcrop';
my $file        = "$prj.pl";
my $program     = uc($&) if $file =~ /^\w+/;
my $version     = "1.38";
my $date        = "2012/11/02";
my $author      = "Heiko Oberdiek";
my $copyright   = "Copyright (c) 2002-2012 by $author.";
#
# Reqirements: Perl5, Ghostscript
# History:
#   2002/10/30 v1.0:  First release.
#   2002/10/30 v1.1:  Option --hires added.
#   2002/11/04 v1.2:  "nul" instead of "/dev/null" for windows.
#   2002/11/23 v1.3:  Use of File::Spec module's "devnull" call.
#   2002/11/29 v1.4:  Option --papersize added.
#   2004/06/24 v1.5:  Clear map file entries so that pdfTeX
#                     does not touch the fonts.
#   2004/06/26 v1.6:  Use mgs.exe instead of gswin32c.exe for MIKTEX.
#   2005/03/11 v1.7:  Support of spaces in file names
#                     (open("-|") is used for ghostscript call).
#   2008/01/09 v1.8:  Fix for moving the temporary file to the output
#                     file across file system boundaries.
#   2008/04/05 v1.9:  Options --resolution and --bbox added.
#   2008/07/16 v1.10: Support for XeTeX added with new options
#                     --pdftex, --xetex, and --xetexcmd.
#   2008/07/22 v1.11: Workaround for open("-|").
#   2008/07/23 v1.12: Workarounds for the workaround (error detection, ...).
#   2008/07/24 v1.13: open("-|")/workaround removed.
#                     Input files with unsafe file names are linked/copied
#                     to temporary file with safe file name.
#   2008/09/12 v1.14: Error detection for invalid Bounding Boxes.
#   2009/07/14 v1.15: Fix for negative coordinates in Bounding Boxes
#                     (David Menestrina).
#   2009/07/16 v1.16: Security fixes:
#                     * -dSAFER added for Ghostscript,
#                     * -no-shell-escape added for pdfTeX/XeTeX.
#   2009/07/17 v1.17: Security fixes:
#                     * Backticks and whitespace are forbidden
#                       for options --(gs|pdftex|xetex)cmd.
#                     * Validation of options --papersize and --resolution.
#   2009/07/18 v1.18: * Restricted mode added.
#                     * Option --version added.
#   2009/09/24 v1.19: * Ghostscript detection rewritten.
#                     * Cygwin: `gs' is preferred to `gswin32c'.
#   2009/10/06 v1.20: * File name sanitizing in .tex file.
#   2009/12/21 v1.21: * Option --ini added for IniTeX mode.
#                     * Option --luatex and --luatexcmd added for LuaTeX.
#   2009/12/29 v1.22: * Syntax description for option --bbox fixed
#                       (Lukas Prochazka).
#   2010/01/09 v1.23: * Options --bbox-odd and -bbox-even added.
#   2010/08/16 v1.24: * Workaround added for buggy ghostscript ports
#                       that print the BoundingBox data twice.
#   2010/08/26 v1.25: * Fix for the case that the PDF file contains
#                       an entry /CropBox different to /MediaBox.
#                     * \pageinclude implemented for XeTeX.
#                     * XeTeX: --clip does not die, but this option
#                       is ignored, because XeTeX always clip.
# 2010/08/26 v1.26: * XeTeX's \XeTeXpdffile expects keyword
#                     `media', not `mediabox'.
#                   * New option --pdfversion.
#                     Default is `auto' that means the PDF version
#                     is inherited from the input file. Before
#                     pdfcrop has used the TeX engine's default.
#                   * Option --luatex fixed (extra empty page at end).
# 2010/09/03 v1.27: * Workaround of v1.24 fixed.
# 2010/09/06 v1.28: * The Windows registry is searched if Ghostscript
#                     is not found via PATH.
#                   * Windows only: support of spaces in command
#                     names in unrestricted mode.
# 2010/09/06 v1.29: * Find the latest Ghostscript version in registry.
# 2010/09/15 v1.30: * Warning of pdfTeX because of \pdfobjcompresslevel
#                     avoided when reducing \pdfminorversion.
#                   * Fix for TeX syntax characters in input file names.
# 2010/09/17 v1.31: * Passing the input file name via hex string to TeX.
#                   * Again input file names restricted for Ghostscript
#                     command line, switch then to symbol link/copy
#                     method.
# 2011/08/10 v1.32: * Detection for gswin64c.exe added.
# 2012/02/01 v1.33: * Input file can be `-' (standard input).
# 2012/04/18 v1.34: * Format of --version changed
#                     from naked version number to a line with
#                     program name, date and version.
# 2012/10/15 v1.35: * Additional debug infos added for Perl version.
# 2012/10/16 v1.36: * More error codes added.
# 2012/10/16 v1.37: * Extended error messages if available.
#                   * Fix for broken v1.36.
# 2012/11/02 v1.38: * Fix for unsufficient cleanup, if function `cleanup' is
#                     prematurely called in `eval' for `symlink' checking.

### program identification
my $title = "$program $version, $date - $copyright\n";

### error strings
my $Error = "!!! Error:"; # error prefix

### make ENV safer
delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};

# Windows detection (no SIGHUP)
my $Win = 0;
$Win = 1 if $^O =~ /mswin32/i;
$Win = 1 if $^O =~ /cygwin/i;
use Config;
my $archname = $Config{'archname'};
$archname = 'unknown' unless defined $Config{'archname'};

### extended error messages
sub exterr () {
    chomp(my $msg_errno = $!);
    chomp(my $msg_extended_os_error = $^E);
    if ($msg_errno eq $msg_extended_os_error) {
        $msg_errno;
    }
    else {
        "$msg_errno/$msg_extended_os_error";
    }
}

### string constants for Ghostscript run
# get Ghostscript command name
$::opt_gscmd = '';
sub find_ghostscript () {
    return if $::opt_gscmd;
    if ($::opt_debug) {
        print "* Perl executable: $^X\n";
        if ($] < 5.006) {
            print "* Perl version: $]\n";
        }
        else {
            printf "* Perl version: v%vd\n", $^V;
        }
        if (defined &ActivePerl::BUILD) {
            printf "* Perl product: ActivePerl, build %s\n", ActivePerl::BUILD();
        }
        use Config;
        printf "* Pointer size: $Config{'ptrsize'}\n";
        printf "* Pipe support: %s\n",
                (defined($Config{'d_pipe'}) ? 'yes' : 'no');
        printf "* Fork support: %s\n",
                (defined($Config{'d_fork'}) ? 'yes' : 'no');
    }
    my $system = 'unix';
    $system = "dos" if $^O =~ /dos/i;
    $system = "os2" if $^O =~ /os2/i;
    $system = "win" if $^O =~ /mswin32/i;
    $system = "cygwin" if $^O =~ /cygwin/i;
    $system = "miktex" if defined($ENV{"TEXSYSTEM"}) and
                          $ENV{"TEXSYSTEM"} =~ /miktex/i;
    print "* OS name: $^O\n" if $::opt_debug;
    print "* Arch name: $archname\n" if $::opt_debug;
    print "* System: $system\n" if $::opt_debug;
    my %candidates = (
        'unix' => [qw|gs gsc|],
        'dos' => [qw|gs386 gs|],
        'os2' => [qw|gsos2 gs|],
        'win' => [qw|gswin32c gs|],
        'cygwin' => [qw|gs gswin32c|],
        'miktex' => [qw|mgs gswin32c gs|]
    );
    if ($system eq 'win' or $system eq 'cygwin' or $system eq 'miktex') {
        if ($archname =~ /mswin32-x64/i) {
            my @a = ();
            foreach my $name (@{$candidates{$system}}) {
                push @a, 'gswin64c' if $name eq 'gswin32c';
                push @a, $name;
            }
            $candidates{$system} = \@a;
        }
    }
    my %ext = (
        'unix' => '',
        'dos' => '.exe',
        'os2' => '.exe',
        'win' => '.exe',
        'cygwin' => '.exe',
        'miktex' => '.exe'
    );
    my $candidates_ref = $candidates{$system};
    my $ext = $Config{'_exe'};
    $ext = $ext{$system} unless defined $ext;
    use File::Spec;
    my @path = File::Spec->path();
    my $found = 0;
    foreach my $candidate (@$candidates_ref) {
        foreach my $dir (@path) {
            my $file = File::Spec->catfile($dir, "$candidate$ext");
            if (-x $file) {
                $::opt_gscmd = $candidate;
                $found = 1;
                print "* Found ($candidate): $file\n" if $::opt_debug;
                last;
            }
            print "* Not found ($candidate): $file\n" if $::opt_debug;
        }
        last if $found;
    }
    if (not $found and $Win) {
        $found = SearchRegistry();
    }
    if ($found) {
        print "* Autodetected ghostscript command: $::opt_gscmd\n" if $::opt_debug;
    }
    else {
        $::opt_gscmd = $$candidates_ref[0];
        print "* Default ghostscript command: $::opt_gscmd\n" if $::opt_debug;
    }
}

sub SearchRegistry () {
    my $found = 0;
    eval 'use Win32::TieRegistry qw|KEY_READ REG_SZ|;';
    if ($@) {
        if ($::opt_debug) {
            print "* Registry lookup for Ghostscript failed:\n";
            my $msg = $@;
            $msg =~ s/\s+$//;
            foreach (split /\r?\n/, $msg) {
                print "  $_\n";
            }
        }
        return $found;
    }
    my $open_params = {Access => KEY_READ(), Delimiter => '/'};
    my $key_name_software = 'HKEY_LOCAL_MACHINE/SOFTWARE/';
    my $current_key = $key_name_software;
    my $software = new Win32::TieRegistry $current_key, $open_params;
    if (not $software) {
        print "* Cannot find or access registry key `$current_key'!\n"
                if $::opt_verbose;
        return $found;
    }
    print "* Search registry at `$current_key'.\n" if $::opt_debug;
    my %list;
    foreach my $key_name_gs (grep /Ghostscript/i, $software->SubKeyNames()) {
        $current_key = "$key_name_software$key_name_gs/";
        print "* Registry entry found: $current_key\n" if $::opt_debug;
        my $key_gs = $software->Open($key_name_gs, $open_params);
        if (not $key_gs) {
            print "* Cannot open registry key `$current_key'!\n" if $::opt_debug;
            next;
        }
        foreach my $key_name_version ($key_gs->SubKeyNames()) {
            $current_key = "$key_name_software$key_name_gs/$key_name_version/";
            print "* Registry entry found: $current_key\n" if $::opt_debug;
            if (not $key_name_version =~ /^(\d+)\.(\d+)$/) {
                print "  The sub key is not a version number!\n" if $::opt_debug;
                next;
            }
            my $version_main = $1;
            my $version_sub = $2;
            $current_key = "$key_name_software$key_name_gs/$key_name_version/";
            my $key_version = $key_gs->Open($key_name_version, $open_params);
            if (not $key_version) {
                print "* Cannot open registry key `$current_key'!\n" if $::opt_debug;
                next;
            }
            $key_version->FixSzNulls(1);
            my ($value, $type) = $key_version->GetValue('GS_DLL');
            if ($value and $type == REG_SZ()) {
                print "  GS_DLL = $value\n" if $::opt_debug;
                $value =~ s|([\\/])([^\\/]+\.dll)$|$1gswin32c.exe|i;
                my $value64 = $value;
                $value64 =~ s/gswin32c\.exe$/gswin64c.exe/;
                if ($archname =~ /mswin32-x64/i and -f $value64) {
                    $value = $value64;
                }
                if (-f $value) {
                    print "  EXE found: $value\n" if $::opt_debug;
                }
                else {
                    print "  EXE not found!\n" if $::opt_debug;
                    next;
                }
                my $sortkey = sprintf '%02d.%03d %s',
                        $version_main, $version_sub, $key_name_gs;
                $list{$sortkey} = $value;
            }
            else {
                print "  Missing key `GS_DLL' with type `REG_SZ'!\n" if $::opt_debug;
            }
        }
    }
    foreach my $entry (reverse sort keys %list) {
        $::opt_gscmd = $list{$entry};
        print "* Found (via registry): $::opt_gscmd\n" if $::opt_debug;
        $found = 1;
        last;
    }
    return $found;
}

# restricted mode
my $restricted = 0;
if ($0 =~ /rpdfcrop/ or $0 =~ /restricted/) {
    $restricted = 1;
}

# "null" device
use File::Spec::Functions qw(devnull);
my $null = devnull();

### variables
my $inputfile   = "";
my $outputfile  = "";
my $tmp = "tmp-\L$program\E-$$";

### paper sizes

my @papersizes = qw[
  11x17 ledger legal letter lettersmall
  archE archD archC archB archA
  a0 a1 a2 a3 a4 a4small a5 a6 a7 a8 a9 a10
  isob0 isob1 isob2 isob3 isob4 isob5 isob6
  c0 c1 c2 c3 c4 c5 c6
  jisb0 jisb1 jisb2 jisb3 jisb4 jisb5 jisb6
  b0 b1 b2 b3 b4 b5
  flsa flse halfletter
];
my %papersizes;
foreach (@papersizes) {
    $papersizes{$_} = 1;
}

### option variables
my @bool = ("false", "true");
$::opt_version    = 0;
$::opt_help       = 0;
$::opt_debug      = 0;
$::opt_verbose    = 0;
$::opt_pdftexcmd  = "pdftex";
$::opt_xetexcmd   = "xetex";
$::opt_luatexcmd  = "luatex";
$::opt_tex        = "pdftex";
$::opt_margins    = "0 0 0 0";
$::opt_clip       = 0;
$::opt_hires      = 0;
$::opt_papersize  = "";
$::opt_resolution = "";
$::opt_bbox       = "";
$::opt_bbox_odd   = "";
$::opt_bbox_even  = "";
$::opt_initex     = 0;
$::opt_pdfversion = "auto";

sub usage ($) {
    my $ret = shift;
    find_ghostscript();
    my $usage = <<"END_OF_USAGE";
${title}Syntax:   \L$program\E [options] <input[.pdf]> [output file]
Function: Margins are calculated and removed for each page in the file.
Options:                                                       (defaults:)
  --help              print usage
  --version           print version number
  --(no)verbose       verbose printing                         ($bool[$::opt_verbose])
  --(no)debug         debug informations                       ($bool[$::opt_debug])
  --gscmd <name>      call of ghostscript                      ($::opt_gscmd)
  --pdftex | --xetex | --luatex
                      use pdfTeX | use XeTeX | use LuaTeX      ($::opt_tex)
  --pdftexcmd <name>  call of pdfTeX                           ($::opt_pdftexcmd)
  --xetexcmd <name>   call of XeTeX                            ($::opt_xetexcmd)
  --luatexcmd <name>  call of LuaTeX                           ($::opt_luatexcmd)
  --margins "<left> <top> <right> <bottom>"                    ($::opt_margins)
                      add extra margins, unit is bp. If only one number is
                      given, then it is used for all margins, in the case
                      of two numbers they are also used for right and bottom.
  --(no)clip          clipping support, if margins are set     ($bool[$::opt_clip])
                      (not available for --xetex)
  --(no)hires         using `%%HiResBoundingBox'               ($bool[$::opt_hires])
                      instead of `%%BoundingBox'
  --(no)ini           use iniTeX variant of the TeX compiler   ($bool[$::opt_initex])
Expert options:
  --restricted        turn on restricted mode                  ($bool[$restricted])
  --papersize <foo>   parameter for gs's -sPAPERSIZE=<foo>,
                      use only with older gs versions <7.32    ($::opt_papersize)
  --resolution <xres>x<yres>                                   ($::opt_resolution)
  --resolution <res>  pass argument to ghostscript's option -r
                      Example: --resolution 72
  --bbox "<left> <bottom> <right> <top>"                       ($::opt_bbox)
                      override bounding box found by ghostscript
                      with origin at the lower left corner
  --bbox-odd          Same as --bbox, but for odd pages only   ($::opt_bbox_odd)
  --bbox-even         Same as --bbox, but for even pages only  ($::opt_bbox_even)
  --pdfversion <1.x> | auto | none
                      Set the PDF version to 1.x, 1 < x < 8.
                      If `auto' is given as value, then the
                      PDF version is taken from the header
                      of the input PDF file.
                      An empty value or `none' uses the
                      default of the TeX engine.               ($::opt_pdfversion)

Input file: If the name is `-', then the standard input is used and
  the output file name must be explicitly given.
Examples:
  \L$program\E --margins 10 input.pdf output.pdf
  \L$program\E --margins '5 10 5 20' --clip input.pdf output.pdf
In case of errors:
  Try option --verbose first to get more information.
In case of bugs:
  Please, use option --debug for bug reports.
END_OF_USAGE
    if ($ret) {
        die $usage;
    }
    else {
        print $usage;
        exit(0);
    }
}

### process options
my @OrgArgv = @ARGV;
use Getopt::Long;
GetOptions(
  "help!",
  "version!",
  "debug!",
  "verbose!",
  "gscmd=s",
  "pdftexcmd=s",
  "xetexcmd=s",
  "luatexcmd=s",
  "pdftex" => sub { $::opt_tex = 'pdftex'; },
  "xetex"  => sub { $::opt_tex = 'xetex'; },
  "luatex" => sub { $::opt_tex = 'luatex'; },
  "initex!",
  "margins=s",
  "clip!",
  "hires!",
  "papersize=s",
  "resolution=s",
  "bbox=s",
  "bbox-odd=s" => \$::opt_bbox_odd,
  "bbox-even=s" => \$::opt_bbox_even,
  "restricted" => sub { $restricted = 1; },
  "pdfversion=s" => \$::opt_pdfversion,
) or usage(1);
!$::opt_help or usage(0);

if ($::opt_version) {
    print "$prj $date v$version\n";
    exit(0);
}

$::opt_verbose = 1 if $::opt_debug;

@ARGV >= 1 or usage(1);

print $title;

print "* Restricted mode: ", ($restricted ? "enabled" : "disabled"), "\n"
        if $::opt_debug;

$::opt_pdfversion =~ /^(|none|auto|1\.([2-7]))$/
        or die "!!! Error: Invalid value `$::opt_pdfversion' for option `--pdfversion'!\n";
print "* Option `pdfversion': $::opt_pdfversion\n" if $::opt_debug;
$::opt_pdfversion = $2 if $2;
$::opt_pdfversion = '' if $::opt_pdfversion eq 'none';

find_ghostscript();

if ($::opt_bbox) {
    $::opt_bbox =~ s/^\s+//;
    $::opt_bbox =~ s/\s+$//;
    $::opt_bbox =~ s/\s+/ /;
    if ($::opt_bbox =~ /^-?\d*\.?\d+ -?\d*\.?\d+ -?\d*\.?\d+ -?\d*\.?\d+$/) {
        print "* Explicite Bounding Box: $::opt_bbox\n" if $::opt_debug;
    }
    else {
        die "$Error Parse error (option --bbox \"$::opt_bbox\")!\n";
    }
}
if ($::opt_bbox_odd) {
    $::opt_bbox_odd =~ s/^\s+//;
    $::opt_bbox_odd =~ s/\s+$//;
    $::opt_bbox_odd =~ s/\s+/ /;
    if ($::opt_bbox_odd =~ /^-?\d*\.?\d+ -?\d*\.?\d+ -?\d*\.?\d+ -?\d*\.?\d+$/) {
        print "* Explicite Bounding Box for odd pages: $::opt_bbox_odd\n"
                if $::opt_debug;
    }
    else {
        die "$Error Parse error (option --bbox-odd \"$::opt_bbox_odd\")!\n";
    }
}
if ($::opt_bbox_even) {
    $::opt_bbox_even =~ s/^\s+//;
    $::opt_bbox_even =~ s/\s+$//;
    $::opt_bbox_even =~ s/\s+/ /;
    if ($::opt_bbox_even =~ /^-?\d*\.?\d+ -?\d*\.?\d+ -?\d*\.?\d+ -?\d*\.?\d+$/) {
        print "* Explicite Bounding Box for even pages: $::opt_bbox_even\n"
                if $::opt_debug;
    }
    else {
        die "$Error Parse error (option --bbox-even \"$::opt_bbox_even\")!\n";
    }
}

@ARGV <= 2 or die "$Error Too many files!\n";

### input file
$inputfile = shift @ARGV;

if ($inputfile eq '-') {
    @ARGV == 1 or die "$Error Missing output file name!\n";
    print "* Input file: <stdin>\n" if $::opt_debug;
}
else {
    if (! -f $inputfile) {
        if (-f "$inputfile.pdf") {
            $inputfile .= ".pdf";
        }
        else {
            die "$Error Input file `$inputfile' not found!\n";
        }
    }
    print "* Input file: $inputfile\n" if $::opt_debug;
}

### output file
if (@ARGV) {
    $outputfile = shift @ARGV;
}
else {
    $outputfile = $inputfile;
    $outputfile =~ s/\.pdf$//i;
    $outputfile .= "-crop.pdf";
}

print "* Output file: $outputfile\n" if $::opt_debug;

### margins
my ($llx, $lly, $urx, $ury) = (0, 0, 0, 0);
if ($::opt_margins =~
        /^\s*([\-\.\d]+)\s+([\-\.\d]+)\s+([\-\.\d]+)\s+([\-\.\d]+)\s*$/) {
    ($llx, $lly, $urx, $ury) = ($1, $2, $3, $4);
}
else {
    if ($::opt_margins =~ /^\s*([\-\.\d]+)\s+([\-\.\d]+)\s*$/) {
        ($llx, $lly, $urx, $ury) = ($1, $2, $1, $2);
    }
    else {
        if ($::opt_margins =~ /^\s*([\-\.\d]+)\s*$/) {
            ($llx, $lly, $urx, $ury) = ($1, $1, $1, $1);
        }
        else {
            die "$Error Parse error (option --margins)!\n";
        }
    }
}
print "* Margins: $llx $lly $urx $ury\n" if $::opt_debug;

### papersize validation (security)
if ($::opt_papersize ne '') {
    $::opt_papersize =~ /^[0-9A-Za-z]+$/
            or die "$Error Invalid papersize ($::opt_papersize)!\n";
    $papersizes{$::opt_papersize}
            or die "$Error Unknown papersize ($::opt_papersize),"
                   . " see ghostscript's documentation for option `-r'!\n";
}

### resolution validation (security)
if ($::opt_resolution ne '') {
    $::opt_resolution =~ /^\d+(x\d+)?$/
            or die "$Error Invalid resolution ($::opt_resolution),"
                   . " see ghostscript's documentation!\n";
}

### command name validation (security)
my %cmd = (
    'gscmd' => \$::opt_gscmd,
    'pdftexcmd' => \$::opt_pdftexcmd,
    'luatexcmd' => \$::opt_luatexcmd,
    'xetexcmd' => \$::opt_xetexcmd
);
foreach my $cmd (keys %cmd) {
    my $cmd_ref = $cmd{$cmd};
    $$cmd_ref =~ s/^\s+//;
    $$cmd_ref =~ s/\s+$//;
    my $val = $$cmd_ref;
    next unless $val;
    next unless $val;
    if ($val =~ /`/) {
        die "$Error Forbidden backtick for option `--$cmd' ($val)!\n";
    }
    if ($val =~ /\s/) {
        my $err = 0;
        if ($restricted or not $Win) {
            $err = 1;
        }
        else {
            $err = 1 if $val =~ /\.exe.*\s/i;
            $err = 1 if $val =~ /\s[-\/@+]/;
        }
        die "$Error Forbidden whitespace for option `--$cmd' ($val)!\n" if $err;
    }
}
if ($restricted) {
    if ($::opt_pdftexcmd and $::opt_pdftexcmd ne 'pdftex') {
        die "$Error pdfTeX program name must not be changed in restricted mode!\n";
    }
    if ($::opt_xetexcmd and $::opt_xetexcmd ne 'xetex') {
        die "$Error XeTeX program name must not be changed in restricted mode!\n";
    }
    if ($::opt_luatexcmd and $::opt_luatexcmd ne 'luatex') {
        die "$Error LuaTeX program name must not be changed in restricted mode!\n";
    }
    if ($::opt_gscmd) {
        $::opt_gscmd =~ /^(gs|mgs|gswin32c|gs386|gsos2)$/
        or $::opt_gscmd =~ /^gs[\-_]?(\d|\d[\.-_]?\d\d)c?$/
        or die "$Error: Invalid Ghostscript program name in restricted mode!\n";
    }
}
if ($Win and $::opt_gscmd =~ /\s/) {
    $::opt_gscmd = "\"$::opt_gscmd\"";
}

### cleanup system
my @unlink_files = ();
my $exit_code = 1;
sub clean {
    print "* Cleanup\n" if $::opt_debug;
    if ($::opt_debug) {
        print "* Temporary files: @unlink_files\n";
    }
    else {
        for (; @unlink_files>0; ) {
            unlink shift @unlink_files;
        }
    }
}
sub cleanup {
    clean();
    exit($exit_code);
}
$SIG{'INT'} = \&cleanup;
$SIG{'__DIE__'} = \&clean;

### Calculation of BoundingBoxes

# use safe file name for use within cmd line of gs (unknown shell: space, ...)
# and XeTeX (hash, curly braces, ...)
my $inputfilesafe = $inputfile;
if ($inputfile eq '-') {
    $inputfilesafe = "$tmp-stdin.pdf";
    print "* Temporary input file: $inputfilesafe\n" if $::opt_debug;
    push @unlink_files, $inputfilesafe;
    open(OUT, '>', $inputfilesafe)
            or die sprintf "$Error Cannot write `%s' (%s)!\n",
                           $inputfilesafe, exterr;
    binmode(OUT);
    my $size = 0;
    my $len = 0;
    my $buf = '';
    my $buf_size = 65536;
    do {
        $len = read STDIN, $buf, $buf_size;
        if (not defined $len) {
            my $msg = exterr;
            die "$Error Reading standard input ($msg)!\n";
        }
        print OUT $buf
                or die sprintf "$Error Writing `%s` (%s)!\n",
                               $inputfilesafe, exterr;
        $size += $len;
    }
    while ($len);
    close(OUT);
    print "* File size (STDIN): $size\n" if $::opt_debug;
}
elsif (not $inputfile =~ /^[\w\d\.\-\:\/@]+$/) { # /[\s\$~'"#{}%]/
    $inputfilesafe = "$tmp-img.pdf";
    push @unlink_files, $inputfilesafe;
    my $symlink_exists = eval {
        local $SIG{'__DIE__'};
        symlink("", "");
        1;
    };
    print "* Input file name `$inputfile' contains special characters.\n"
          . "* " . ($symlink_exists ? "Link" : "Copy")
          . " input file to temporary file `$inputfilesafe'.\n"
            if $::opt_verbose;
    if ($symlink_exists) {
        symlink($inputfile, $inputfilesafe)
            or die sprintf "$Error Link from `%s' to `%s' failed (%s)!\n",
                           $inputfile, $inputfilesafe, exterr;
    }
    else {
        use File::Copy;
        copy($inputfile, $inputfilesafe)
                or die sprintf "$Error Copy from `%s' to `%s' failed (%s)\n",
                               $inputfile, $inputfilesafe, exterr;
    }
}

if ($::opt_pdfversion eq 'auto') {
    open(IN, '<', $inputfilesafe)
            or die sprintf "!!! Error: Cannot open `%s' (%s)!\n",
                           $inputfilesafe, exterr;
    my $buf;
    read(IN, $buf, 1024)
            or die sprintf "!!! Error: Cannot read the header of `%s' failed (%s)!\n",
                           $inputfilesafe, exterr;
    close(IN);
    if ($buf =~ /%PDF-1.([0-7])\s/) {
        $::opt_pdfversion = $1;
        print "* PDF header: %PDF-1.$::opt_pdfversion\n" if $::opt_verbose;
        $::opt_pdfversion = 2 if $::opt_pdfversion < 2;
    }
    else {
        die "!!! Error: Cannot find PDF header of `$inputfilesafe'!\n";
    }
}
print '* Using PDF minor version: ',
      ($::opt_pdfversion ? $::opt_pdfversion : "engine's default"),
      "\n" if $::opt_debug;

my @gsargs = (
    "-sDEVICE=bbox",
    "-dBATCH",
    "-dNOPAUSE"
);
push @gsargs, "-sPAPERSIZE=$::opt_papersize" if $::opt_papersize;
push @gsargs, "-r$::opt_resolution" if $::opt_resolution;
push @gsargs,
    "-c",
    "save",
    "pop",
    "-f",
    $inputfilesafe
;

my $tmpfile = "$tmp.tex";
push @unlink_files, $tmpfile;
open(TMP, ">$tmpfile")
    or die sprintf "$Error Cannot write tmp file `%s' (%s)!\n",
                   $tmpfile, exterr;
print TMP <<'END_TMP';
\catcode37 14 % percent
\catcode33 12 % exclam
\catcode34 12 % quote
\catcode35  6 % hash
\catcode39 12 % apostrophe
\catcode40 12 % left parenthesis
\catcode41 12 % right parenthesis
\catcode45 12 % minus
\catcode46 12 % period
\catcode60 12 % less
\catcode61 12 % equals
\catcode62 12 % greater
\catcode64 12 % at
\catcode91 12 % left square
\catcode93 12 % right square
\catcode96 12 % back tick
\catcode123 1 % left curly brace
\catcode125 2 % right curly brace
\catcode126 12 % tilde
\catcode`\#=6 %
\escapechar=92 %
\def\IfUndefined#1#2#3{%
  \begingroup\expandafter\expandafter\expandafter\endgroup
  \expandafter\ifx\csname#1\endcsname\relax
    #2%
  \else
    #3%
  \fi
}
END_TMP
my $pdffilehex = unpack 'H*', $inputfilesafe;
$pdffilehex = "\U$pdffilehex\E";
print TMP "\\def\\pdffilehex{$pdffilehex}\n";
print TMP <<'END_TMP';
\IfUndefined{pdfunescapehex}{%
  \begingroup
    \gdef\pdffile{}%
    \def\do#1#2{%
      \ifx\relax#2\relax
        \ifx\relax#1\relax
        \else
          \errmessage{Invalid hex string, should not happen!}%
        \fi
      \else
        \lccode`0="#1#2\relax
        \lowercase{%
          \xdef\pdffile{\pdffile0}%
        }%
        \expandafter\do
      \fi
    }%
    \expandafter\do\pdffilehex\relax\relax
  \endgroup
}{%
  \edef\pdffile{\pdfunescapehex{\pdffilehex}}%
}
\immediate\write-1{Input file: \pdffile}
END_TMP
if ($::opt_tex eq 'luatex') {
    print TMP <<'END_TMP';
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname directlua\endcsname\relax
  \errmessage{LuaTeX not found!}%
\else
  \begingroup
    \newlinechar=10 %
    \endlinechar=\newlinechar %
    \ifnum0%
        \directlua{%
          if tex.enableprimitives then
            tex.enableprimitives('TEST', {
              'luatexversion',
              'pdfoutput',
              'pdfcompresslevel',
              'pdfhorigin',
              'pdfvorigin',
              'pdfpagewidth',
              'pdfpageheight',
              'pdfmapfile',
              'pdfximage',
              'pdflastximage',
              'pdfrefximage',
              'pdfminorversion',
              'pdfobjcompresslevel',
            })
            tex.print('1')
          end
        }%
        \ifx\TESTluatexversion\UnDeFiNeD\else 1\fi %
        =11 %
      \global\let\luatexversion\luatexversion %
      \global\let\pdfoutput\TESTpdfoutput %
      \global\let\pdfcompresslevel\TESTpdfcompresslevel %
      \global\let\pdfhorigin\TESTpdfhorigin %
      \global\let\pdfvorigin\TESTpdfvorigin %
      \global\let\pdfpagewidth\TESTpdfpagewidth %
      \global\let\pdfpageheight\TESTpdfpageheight %
      \global\let\pdfmapfile\TESTpdfmapfile %
      \global\let\pdfximage\TESTpdfximage %
      \global\let\pdflastximage\TESTpdflastximage %
      \global\let\pdfrefximage\TESTpdfrefximage %
      \global\let\pdfminorversion\TESTpdfminorversion %
      \global\let\pdfobjcompresslevel\TESTpdfobjcompresslevel %
    \else %
      \errmessage{%
        Missing \string\luatexversion %
      }%
    \fi %
  \endgroup %
\fi
END_TMP
}
if ($::opt_tex eq 'pdftex' or $::opt_tex eq 'luatex') {
    print TMP <<'END_TMP_HEAD';
\pdfoutput=1 %
\pdfcompresslevel=9 %
\csname pdfmapfile\endcsname{}
\def\setpdfversion#1{%
  \IfUndefined{pdfobjcompresslevel}{%
  }{%
    \ifnum#1<5 %
      \pdfobjcompresslevel=0 %
    \else
      \pdfobjcompresslevel=2 %
    \fi
  }%
  \IfUndefined{pdfminorversion}{%
    \IfUndefined{pdfoptionpdfminorversion}{%
    }{%
      \pdfoptionpdfminorversion=#1\relax
    }%
  }{%
    \pdfminorversion=#1\relax
  }%
}
\def\page #1 [#2 #3 #4 #5]{%
  \count0=#1\relax
  \setbox0=\hbox{%
    \pdfximage page #1 mediabox{\pdffile}%
    \pdfrefximage\pdflastximage
  }%
  \pdfhorigin=-#2bp\relax
  \pdfvorigin=#3bp\relax
  \pdfpagewidth=#4bp\relax
  \advance\pdfpagewidth by -#2bp\relax
  \pdfpageheight=#5bp\relax
  \advance\pdfpageheight by -#3bp\relax
  \ht0=\pdfpageheight
  \shipout\box0\relax
}
\def\pageclip #1 [#2 #3 #4 #5][#6 #7 #8 #9]{%
  \count0=#1\relax
  \dimen0=#4bp\relax \advance\dimen0 by -#2bp\relax
  \edef\imagewidth{\the\dimen0}%
  \dimen0=#5bp\relax \advance\dimen0 by -#3bp\relax
  \edef\imageheight{\the\dimen0}%
  \pdfximage page #1 mediabox{\pdffile}%
  \setbox0=\hbox{%
    \kern -#2bp\relax
    \lower #3bp\hbox{\pdfrefximage\pdflastximage}%
  }%
  \wd0=\imagewidth\relax
  \ht0=\imageheight\relax
  \dp0=0pt\relax
  \pdfhorigin=#6pt\relax
  \pdfvorigin=#7bp\relax
  \pdfpagewidth=\imagewidth
  \advance\pdfpagewidth by #6bp\relax
  \advance\pdfpagewidth by #8bp\relax
  \pdfpageheight=\imageheight\relax
  \advance\pdfpageheight by #7bp\relax
  \advance\pdfpageheight by #9bp\relax
  \pdfxform0\relax
  \shipout\hbox{\pdfrefxform\pdflastxform}%
}%
\def\pageinclude#1{%
  \pdfhorigin=0pt\relax
  \pdfvorigin=0pt\relax
  \pdfximage page #1 mediabox{\pdffile}%
  \setbox0=\hbox{\pdfrefximage\pdflastximage}%
  \pdfpagewidth=\wd0\relax
  \pdfpageheight=\ht0\relax
  \advance\pdfpageheight by \dp0\relax
  \shipout\hbox{%
    \raise\dp0\box0\relax
  }%
}
END_TMP_HEAD
    print TMP "\\setpdfversion{$::opt_pdfversion}\n" if $::opt_pdfversion;
}
else { # XeTeX
    print TMP <<'END_TMP_HEAD';
\expandafter\ifx\csname XeTeXpdffile\endcsname\relax
  \errmessage{XeTeX not found or too old!}%
\fi
\def\page #1 [#2 #3 #4 #5]{%
  \count0=#1\relax
  \setbox0=\hbox{%
    \XeTeXpdffile "\pdffile" page #1 media\relax
  }%
  \pdfpagewidth=#4bp\relax
  \advance\pdfpagewidth by -#2bp\relax
  \pdfpageheight=#5bp\relax
  \advance\pdfpageheight by -#3bp\relax
  \shipout\hbox{%
    \kern-1in%
    \kern-#2bp%
    \vbox{%
      \kern-1in%
      \kern#3bp%
      \ht0=\pdfpageheight
      \box0 %
    }%
  }%
}
\def\pageclip #1 [#2 #3 #4 #5][#6 #7 #8 #9]{%
  \page {#1} [#2 #3 #4 #5]%
}
\def\pageinclude#1{%
  \setbox0=\hbox{%
    \XeTeXpdffile "\pdffile" page #1 media\relax
  }%
  \pdfpagewidth=\wd0\relax
  \pdfpageheight=\ht0\relax
  \advance\pdfpageheight by \dp0\relax
  \shipout\hbox{%
    \kern-1in%
    \vbox{%
      \kern-1in%
      \ht0=\pdfpageheight
      \box0 %
    }%
  }%
}
END_TMP_HEAD
}

print "* Running ghostscript for BoundingBox calculation ...\n"
    if $::opt_verbose;
print "* Ghostscript call: $::opt_gscmd @gsargs\n" if $::opt_debug;

my @bbox;
my @bbox_all;
my @bbox_odd;
my @bbox_even;
if ($::opt_bbox) {
     $::opt_bbox =~ /([-\d\.]+) ([-\d\.]+) ([-\d\.]+) ([-\d\.]+)/;
     @bbox_all = ($1, $2, $3, $4);
}
if ($::opt_bbox_odd) {
     $::opt_bbox_odd =~ /([-\d\.]+) ([-\d\.]+) ([-\d\.]+) ([-\d\.]+)/;
     @bbox_odd = ($1, $2, $3, $4);
}
if ($::opt_bbox_even) {
     $::opt_bbox_even =~ /([-\d\.]+) ([-\d\.]+) ([-\d\.]+) ([-\d\.]+)/;
     @bbox_even = ($1, $2, $3, $4);
}

sub getbbox ($$$$$) {
    my $page = shift;
    my $a = shift;
    my $b = shift;
    my $c = shift;
    my $d = shift;
    if ($page % 2 == 1) {
        if ($::opt_bbox_odd) {
            return @bbox_odd;
        }
    }
    else {
        if ($::opt_bbox_even) {
            return @bbox_even;
        }
    }
    if ($::opt_bbox) {
        return @bbox_all;
    }
    return ($a, $b, $c, $d);
}
my $page = 0;
my $gs_pipe = "$::opt_gscmd -dSAFER @gsargs 2>&1";
$gs_pipe .= " 1>$null" unless $::opt_verbose;
$gs_pipe .= " |";

open(GS, $gs_pipe)
        or die sprintf "$Error Cannot call ghostscript `%s' (%s)!\n",
                       $::opt_gscmd, exterr;
my $bb = ($::opt_hires) ? "%%HiResBoundingBox" : "%%BoundingBox";
my $previous_line = 'Previous line';
# Ghostscript workaround for buggy ports that prints
# the bounding box data twice on STDERR.
while (<GS>) {
    print $_ if $::opt_verbose;
    if (/^$bb:\s*(-?[\.\d]+) (-?[\.\d]+) (-?[\.\d]+) (-?[\.\d]+)/o) {
    }
    else {
        $previous_line = $_;
        next;
    }
    next if $previous_line eq $_;
    $previous_line = $_;
    $page++;
    @bbox = getbbox($page, $1, $2, $3, $4);

my $empty = 0;
    $empty = 1 if $bbox[0] >= $bbox[2];
    $empty = 1 if $bbox[1] >= $bbox[3];
    if ($empty) {
        print <<"END_WARNING";

!!! Warning: Empty Bounding Box is returned by Ghostscript!
!!!   Page $page: @bbox
!!! Either there is a problem with the page or with Ghostscript.
!!! Recovery is tried by embedding the page in its original size.

END_WARNING
        print TMP "\\pageinclude{$page}\n";
        next;
    }

print "* Page $page: @bbox\n" if $::opt_verbose;

my @bb = ($bbox[0] - $llx, $bbox[1] - $ury,
             $bbox[2] + $urx, $bbox[3] + $lly);

$empty = 0;
    $empty = 1 if $bb[0] >= $bb[2];
    $empty = 1 if $bb[1] >= $bb[3];
    if ($empty) {
        print <<"END_WARNING";

!!! Warning: The final Bounding Box is empty!
!!!   Page: $page: @bb
!!! Probably caused by too large negative margin values.
!!! Recovery by ignoring margin values.

END_WARNING
        print TMP "\\page $page [@bbox]\n";
        # clipping shouldn't make a difference
        next;
    }
    if ($::opt_clip) {
        print TMP "\\pageclip $page [@bbox][$llx $lly $urx $ury]\n";
    }
    else {
        print TMP "\\page $page [@bb]\n";
    }
}
close(GS);

if ($? == -1) {
    die sprintf "$Error Ghostscript failed to execute (%s)!\n",
                exterr;
}
elsif ($? & 127) {
    die sprintf  "$Error Ghostscript died with signal %d!\n",
                 ($? & 127);
}
elsif ($? != 0) {
    die sprintf "$Error Ghostscript exited with error code %d!\n",
                $? >> 8;
}

print TMP "\\csname \@\@end\\endcsname\n\\end\n";
close(TMP);

if ($page == 0) {
    die "$Error Ghostscript does not report bounding boxes!\n";
}

### Run pdfTeX/XeTeX

push @unlink_files, "$tmp.log";
my $cmd;
my $texname;
if ($::opt_tex eq 'pdftex') {
    $cmd = $::opt_pdftexcmd;
    $texname = 'pdfTeX';
}
elsif ($::opt_tex eq 'luatex') {
    $cmd = $::opt_luatexcmd;
    $texname = 'LuaTeX';
}
else {
    $cmd = $::opt_xetexcmd;
    $texname = 'XeTeX';
}
$cmd = "\"$cmd\"" if $Win and $cmd =~ /\s/;
$cmd .= ' -no-shell-escape';
if ($::opt_initex) {
    $cmd .= ' --ini --etex';
}
if ($::opt_verbose) {
    $cmd .= " -interaction=nonstopmode $tmp";
}
else {
    $cmd .= " -interaction=batchmode $tmp";
}
print "* Running $texname ...\n" if $::opt_verbose;
print "* $texname call: $cmd\n" if $::opt_debug;
if ($::opt_verbose) {
    system($cmd);
}
else {
    `$cmd`;
}
if ($? == -1) {
    die sprintf "$Error %s run failed to execute (%s)!\n",
                $texname, exterr;
}
elsif ($? & 127) {
    die sprintf "$Error %s run died with signal %d!\n",
                $texname, ($? & 127);
}
elsif ($? != 0) {
    die sprintf "$Error %s run failed with value %d!\n",
                $texname, ($? >> 8);
}

### Check pdf version of temp file
if ($::opt_pdfversion) {
    open(PDF, '+<', "$tmp.pdf")
            or die sprintf "!!! Error: Cannot open `%s' (%s)!\n",
                           "$tmp.pdf", exterr;
    my $header;
    read PDF, $header, 9
            or die sprintf "!!! Error: Cannot read header of `%s' (%s)!\n",
                           "$tmp.pdf", exterr;
    $header =~ /^%PDF-1\.(\d)\s$/ or die "!!! Error: Cannot find header of `$tmp.pdf'!\n";
    if ($1 ne $::opt_pdfversion) {
        seek PDF, 7, 0
                or die sprintf "!!! Error: Cannot seek in `%s' (%s)!\n",
                               "$tmp.pdf", exterr;
        print PDF $::opt_pdfversion
                or die sprintf "!!! Error: Cannot write in `%s' (%s)!\n",
                               "$tmp.pdf", exterr;
        print "* PDF version correction in output file: 1.$::opt_pdfversion\n"
                if $::opt_debug;
    }
    close(PDF);
}

### Move temp file to output
if (!rename("$tmp.pdf", $outputfile)) {
    use File::Copy;
    move "$tmp.pdf", $outputfile or
            die "$Error Cannot move `$tmp.pdf' to `$outputfile'!\n";
}

print "==> $page page", (($page == 1) ? "" : "s"),
      " written on `$outputfile'.\n";

$exit_code = 0;
cleanup();

__END__

${this.title}

Code Editor : rpdfcrop