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Diffstat (limited to 'Master/texmf-dist/scripts/psutils/psjoin.pl')
| -rwxr-xr-x | Master/texmf-dist/scripts/psutils/psjoin.pl | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/Master/texmf-dist/scripts/psutils/psjoin.pl b/Master/texmf-dist/scripts/psutils/psjoin.pl new file mode 100755 index 00000000000..21dfaffeef3 --- /dev/null +++ b/Master/texmf-dist/scripts/psutils/psjoin.pl @@ -0,0 +1,220 @@ +#!/usr/bin/env perl +# +# psjoin - concatenate PostScript files +# +# version 0.2, 2002-07-18 +# version 0.3, 2003-11-30 +# version 0.31, 2013-10-20 +# +# versions up to 0.3 by Tom Sato <VEF00200@nifty.ne.jp>, http://homepage3.nifty.com/tsato/ +# versions from 0.31 by Reuben Thomas <rrt@sc3d.org> + +use strict; +use warnings; + +use Getopt::Long; + +my $version = 0.31; + +sub usage { + my ($exit_code) = @_; + print STDERR <<END; +Usage: psjoin [OPTION...] FILENAME... +Concatenate PostScript files + + --even, -a force each file to take an even number of pages + --save, -s try to close unclosed save operators + --strip, -p do not strip prolog or trailer from input files + --help, -h print this help, then exit + --version,-V print version information and exit +END + exit $exit_code; +} + +my $force_even = 0; +my $force_save = 0; +my $dont_strip = 0; +my $save = "save %psjoin\n"; +my $restore = "restore %psjoin\n"; +my ($help_flag, $version_flag); + +GetOptions( + "even|a" => \$force_even, + "save|s" => \$force_save, + "strip|p" => \$dont_strip, + "help|h" => \$help_flag, + "version|V" => \$version_flag, + ) or usage(1); + +if ($help_flag) { + usage(0); +} elsif ($version_flag) { + print "psjoin (version $version)\n"; + print "(c) Tom Sato <VEF00200\@nifty.ne.jp> and Reuben Thomas <rrt\@sc3d.org>\n"; + exit 0; +} + +if ($force_save) { + $save = "/#psjoin-save# save def %psjoin\n"; + $restore = "#psjoin-save# restore %psjoin\n"; +} +my (@prolog, $prolog_inx, @trailer, @comments, @pages); +if ($dont_strip) { + $prolog_inx = 9999; + $prolog[$prolog_inx] = "% [ psjoin: don't strip ]\n"; + $trailer[$prolog_inx] = "% [ psjoin: don't strip ]\n"; +} else { + for (my $i = 0; $i <= $#ARGV; $i++) { + open(IN, $ARGV[$i]) || die "$0: can't open \"$ARGV[$i]\" ($!)"; + + my $in_comment = 1; + my $in_prolog = 1; + my $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 (my $j = 0; $j < $i; $j++) { + if ($prolog[$j] eq $prolog[$i]) { + $pages[$j] += $pages[$i]; + last; + } + } + } + } + + my $largest = 0; + $prolog_inx = 0; + for (my $i = 0; $i <= $#ARGV; $i++) { + my $size = length($prolog[$i]) * $pages[$i]; + if ($largest < $size) { + $largest = $size; + $prolog_inx = $i; + } + } +} + +print <<END; +%!PS-Adobe-3.0 +%%Title: @ARGV +%%Creator: psjoin $version +%%Pages: (atend) +END +print $comments[$prolog_inx]; + +print "\n$prolog[$prolog_inx]"; +for (my $i = 0; $i <= $#ARGV; $i++) { + $prolog[$i] =~ s/^%%/% %%/; + $prolog[$i] =~ s/\n%%/\n% %%/g; + $trailer[$i] =~ s/^%%/% %%/; + $trailer[$i] =~ s/\n%%/\n% %%/g; +} + +my $total_pages = 0; +for (my $i = 0; $i <= $#ARGV; $i++) { + print "\n% [ psjoin: file = $ARGV[$i] ]\n"; + if ($prolog[$i] ne $prolog[$prolog_inx]) { + print "% [ psjoin: Prolog/Trailer will be inserted in each page ]\n"; + } else { + print "% [ psjoin: common Prolog/Trailer will be used ]\n"; + } + + my $in_comment = 1 if !$dont_strip; + my $in_prolog = 1 if !$dont_strip; + my $in_trailer = 0; + my $saved = 0; + my $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++; + $total_pages++; + print <<END; + +%%Page: ($i-E) $total_pages +% [ psjoin: empty page inserted to force even pages ] +showpage +END + } + + print $trailer[$i] if $saved; + print $restore if $saved || $force_save; +} + +print "\n%%Trailer\n"; +print $trailer[$prolog_inx]; +print "\n%%Pages: $total_pages\n%%EOF"; |