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@PERL@
# psmerge: merge PostScript files produced by same application and setup
# usage: psmerge [-oout.ps] [-thorough] file1.ps file2.ps ...
#
# Copyright (C) Angus J. C. Duggan 1991-1995
# See file LICENSE for details.
$prog = ($0 =~ s=.*/==);
while ($ARGV[0] =~ /^-/) {
$_ = shift;
if (/^-o(.+)/) {
if (!close(STDOUT) || !open(STDOUT, ">$1")) {
print STDERR "$prog: can't open $1 for output\n";
exit 1;
}
} elsif (/^-t(horough)?$/) {
$thorough = 1;
} else {
print STDERR "Usage: $prog [-oout] [-thorough] file...\n";
exit 1;
}
}
$page = 0;
$first = 1;
$nesting = 0;
@header = ();
$header = 1;
@trailer = ();
$trailer = 0;
@pages = ();
@body = ();
@resources = ();
$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--;
} else {
print $_ if $print;
}
}
print @trailer;
exit 0;
@END@
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