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Current File : //proc/thread-self/root/usr/bin/psjoin

#!/usr/bin/perl
#
# psjoin - concatenate PostScript files
#
# version 0.2, 2002-07-18
# version 0.3, 2003-11-30
#
# by Tom Sato <VEF00200@nifty.ne.jp>, http://homepage3.nifty.com/tsato/

$force_even = 0;
$force_save = 0;
$dont_strip = 0;
$save = "save %psjoin\n";
$restore = "restore %psjoin\n";
while ($ARGV[0] =~ /^-[a-z]/i) {
    if ($ARGV[0] eq "-a") {
	$force_even = 1;
	shift;
    } elsif ($ARGV[0] eq "-s") {
	$force_save = 1;
	$save = "/#psjoin-save# save def %psjoin\n";
	$restore = "#psjoin-save# restore %psjoin\n";
	shift;
    } elsif ($ARGV[0] eq "-p") {
	$dont_strip = 1;
	shift;
    } elsif ($ARGV[0] eq "-h") {
	print STDERR "psjoin - concatenate PostScript files (version 0.3)\n";
	print STDERR "by Tom Sato <VEF00200\@nifty.ne.jp>,";
	print STDERR " http://member.nifty.ne.jp/tsato/\n\n";
	print STDERR "Usage: psjoin [ options... ] filenames...\n\n";
	print STDERR "Option:\n";
	print STDERR "  -a: align first page of each documents to odd page\n";
	print STDERR "  -s: try to close unclosed save operators\n";
	print STDERR "  -p: not strip prolog/trailer of the input files\n";
	print STDERR "  -h: display this\n";
	exit 0;
    } else {
	print STDERR "$0: unknown option: $ARGV[0]\n";
	print STDERR "(\"$0 -h\" for short description)\n";
	exit 2;
    }
}
shift if $ARGV[0] eq "--";

if ($dont_strip) {
    $prolog_inx = 9999;
    $prolog[$prolog_inx] = "% [ psjoin: don't strip ]\n";
    $trailer[$prolog_inx] = "% [ psjoin: don't strip ]\n";
} else {
    for ($i = 0; $i <= $#ARGV; $i++) {
	open(IN, $ARGV[$i]) || die "$0: can't open \"$ARGV[$i]\" ($!)";

	$in_comment = 1;
	$in_prolog = 1;
	$in_trailer = 0;
	$comments[$i] = "";
	$prolog[$i] = "";
	$trailer[$i] = "";
	$pages[$i] = 0;
	while (<IN>) {
	    next if /^%%BeginDocument/ .. /^%%EndDocument/;

	    if ($in_comment) {
		next if /^%!PS-Adobe-/; 
		next if /^%%Title/;
		next if /^%%Pages/;
		next if /^%%Creator/;
		$in_comment = 0 if /^%%EndComments/;
		$comments[$i] .= $_;
		next;
	    } elsif ($in_prolog) {
		if (/^%%Page:/) {
		    $in_prolog = 0;
		} else {
		    $prolog[$i] .= $_;
		    next;
		}
	    }

	    $in_trailer = 1 if /^%%Trailer/;
	    if ($in_trailer) {
		$trailer[$i] .= $_;
		next;
	    }

	    $pages[$i]++ if /^%%Page:/;
	}
	close(IN);

	if ($prolog[$i]) {
	    for ($j = 0; $j < $i; $j++) {
		if ($prolog[$j] eq $prolog[$i]) {
		    $pages[$j] += $pages[$i];
		    break;
		}
	    }
	}
    }

    $largest = 0;
    $prolog_inx = 0;
    for ($i = 0; $i <= $#ARGV; $i++) {
	$size = length($prolog[$i]) * $pages[$i];
	if ($largest < $size) {
	    $largest = $size;
	    $prolog_inx = $i;
	}
    }
}

print "%!PS-Adobe-3.0\n";
print "%%Title: @ARGV\n";
print "%%Creator: psjoin 0.2\n";
print "%%Pages: (atend)\n";
print $comments[$prolog_inx];

print "\n";
print $prolog[$prolog_inx];
for ($i = 0; $i <= $#ARGV; $i++) {
    $prolog[$i] =~ s/^%%/% %%/;
    $prolog[$i] =~ s/\n%%/\n% %%/g;
    $trailer[$i] =~ s/^%%/% %%/;
    $trailer[$i] =~ s/\n%%/\n% %%/g;
}

$total_pages = 0;
for ($i = 0; $i <= $#ARGV; $i++) {
    print "\n";
    print "% [ psjoin: file = $ARGV[$i] ]\n";
    if ($prolog[$i] ne $prolog[$prolog_inx]) {
        print "% [ psjoin: Prolog/Trailer will be inserted to every page ]\n";
    } else {
        print "% [ psjoin: common Prolog/Trailer will be used ]\n";
    }

    $in_comment = 1 if !$dont_strip;
    $in_prolog = 1 if !$dont_strip;
    $in_trailer = 0;
    $saved = 0;
    $pages = 0;

    open(IN, $ARGV[$i]) || die "$0: can't open \"$ARGV[$i]\" ($!)";
    while (<IN>) {
        if (/^%%BeginDocument/ .. /^%%EndDocument/) {
            # s/^(%[%!])/% \1/;
            print $_;
        } else {
            if ($in_comment) {
                $in_comment = 0 if /^%%EndComments/;
            } elsif ($in_prolog) {
                if (/^%%Page:/) {
                    $in_prolog = 0;
                } else {
                    next;
                }
            }
            $in_trailer = 1 if !$dont_strip && /^%%Trailer/;
            next if $in_trailer;

            if (/^%%Page:/) {
                if ($saved) {
                    print $trailer[$i];
		    print $restore;
                    $saved = 0;
                }

                $pages++;
                $total_pages++;
                print "\n";
                print "%%Page: ($i-$pages) $total_pages\n";
                if ($prolog[$i] ne $prolog[$prolog_inx]) {
		    print $save;
                    print $prolog[$i];
                    $saved = 1;
                } elsif ($force_save) {
		    print $save;
		}
            } else {
                s/^(%[%!])/% \1/;
                print $_;
            }
        }
    }
    close(IN);

    if ($force_even && $pages % 2 != 0) {
	$pages++;
	$total_pages++;
	print "\n";
	print "%%Page: ($i-E) $total_pages\n";
	print "% [ psjoin: empty page inserted to force even pages ]\n";
	print "showpage\n";
    }

    if ($saved) {
        print $trailer[$i];
        print $restore;
    } elsif ($force_save) {
        print $restore;
    }
}

print "\n";
print "%%Trailer\n";
print $trailer[$prolog_inx];
print "%%Pages: $total_pages\n";
print "%%EOF\n";