/usr/bin/psmerge is in psutils 1.17-31.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | #!/usr/bin/perl
eval 'exec perl -S $0 "$@"'
if $running_under_some_shell;
# psmerge: merge PostScript files produced by same application and setup
# usage: psmerge [-oout.ps] file1.ps file2.ps ...
#
# Copyright (C) Angus J. C. Duggan 1991-1995
# See file LICENSE for details.
use strict;
$^W = 1;
my $prog = ($0 =~ m,([^/\\]*)$,) ? $1 : $0;
my $outfile = undef;
usage() unless @ARGV;
while ($ARGV[0] =~ /^-/) {
$_ = shift;
if (/^-o(.+)/) {
$outfile = $1;
} elsif (/^-t(horough)?$/) {
# This doesn't do anything, but we leave it for backward compatibility.
} else {
usage();
}
}
my $gs = find_gs();
if (defined $gs)
{
# Just invoke gs
$outfile = '/dev/stdout' unless defined $outfile;
exec +(qw(gs -q -dNOPAUSE -dBATCH -sDEVICE=pswrite),
"-sOutputFile=$outfile", '-f', @ARGV);
die "$prog: exec /usr/bin/gs failed\n";
}
else
{
warn +("$prog: /usr/bin/gs not found; falling back to old," .
" less functional behavior\n");
}
if (defined $outfile)
{
if (!close(STDOUT) || !open(STDOUT, ">$outfile")) {
print STDERR "$prog: can't open $1 for output\n";
exit 1;
}
}
my $page = 0;
my $first = 1;
my $nesting = 0;
my @header = ();
my $header = 1;
my @trailer = ();
my $trailer = 0;
my @pages = ();
my @body = ();
my @resources = ();
my $inresource = 0;
while (<>) {
if (/^%%BeginFont:/ || /^%%BeginResource:/ || /^%%BeginProcSet:/) {
$inresource = 1;
push(@resources, $_);
} elsif ($inresource) {
push(@resources, $_);
$inresource = 0 if /^%%EndFont/ || /^%%EndResource/ || /^%%EndProcSet/;
} elsif (/^%%Page:/ && $nesting == 0) {
$header = $trailer = 0;
push(@pages, join("", @body)) if @body;
$page++;
@body = ("%%Page: ($page) $page\n");
} elsif (/^%%Trailer/ && $nesting == 0) {
push(@trailer, $_);
push(@pages, join("", @body)) if @body;
@body = ();
$trailer = 1;
$header = 0;
} elsif ($header) {
push(@trailer, $_);
push(@pages, join("", @body)) if @body;
@body = ();
$trailer = 1;
$header = 0;
} elsif ($trailer) {
if (/^%!/ || /%%EOF/) {
$trailer = $first = 0;
} elsif ($first) {
push(@trailer, $_);
}
} elsif (/^%%BeginDocument/ || /^%%BeginBinary/ || /^%%BeginFile/) {
push(@body, $_);
$nesting++;
} elsif (/^%%EndDocument/ || /^%%EndBinary/ || /^%%EndFile/) {
push(@body, $_);
$nesting--;
}
}
print @trailer;
sub find_gs
{
my $path = $ENV{'PATH'} || "";
my @path = split(':', $path);
foreach my $dir (@path)
{
return "$dir/gs" if -x "$dir/gs";
}
undef;
}
sub usage
{
print STDERR "Usage: $prog [-oout] file...\n";
exit 1;
}
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