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#!/usr/bin/perl eval 'exec perl -S $0 "$@"' if $running_under_some_shell; # extractres: extract resources from PostScript file # # Copyright (C) Angus J. C. Duggan 1991-1995 # See file LICENSE for details. $prog = ($0 =~ s=.*/==); %resources = (); # list of resources included %merge = (); # list of resources extracted this time %extn = ("font", ".pfa", "file", ".ps", "procset", ".ps", # resource extns "pattern", ".pat", "form", ".frm", "encoding", ".enc"); %type = ("%%BeginFile:", "file", "%%BeginProcSet:", "procset", "%%BeginFont:", "font"); # resource types while (@ARGV) { $_ = shift; if (/^-m(erge)?$/) { $merge = 1; } elsif (/^-/) { print STDERR "Usage: $prog [-merge] [file]\n"; exit 1; } else { unshift(@ARGV, $_); last; } } if (defined($ENV{TMPDIR})) { # set body file name $body = "$ENV{TMPDIR}/body$$.ps"; } else { $body = "body$$.ps"; } open(BODY, $body) && die "Temporary file $body already exists"; open(BODY, ">$body") || die "Can't write file $body"; sub filename { # make filename for resource in @_ local($name); foreach (@_) { # sanitise name s/[!()\$\#*&\\\|\`\'\"\~\{\}\[\]\<\>\?]//g; $name .= $_; } $name =~ s@.*/@@; # drop directories die "Filename not found for resource ", join(" ", @_), "\n" if $name =~ /^$/; $name; } $output = STDOUT; # start writing header out while (<>) { if (/^%%BeginResource:/ || /^%%BeginFont:/ || /^%%BeginProcSet:/) { local($comment, @res) = split(/\s+/); # look at resource type local($type) = defined($type{$comment}) ? $type{$comment} : shift(@res); local($name) = &filename(@res, $extn{$type}); # make file name $saveout = $output; if (!$resources{$name}) { print "%%IncludeResource: $type ", join(" ", @res), "\n"; if (!open(RES, $name)) { open(RES, ">$name") || die "Can't write file $name"; $resources{$name} = $name; $merge{$name} = $merge; $output = RES; } else { # resource already exists close(RES); undef $output; } } elsif ($merge{$name}) { open(RES, ">>$name") || die "Can't append to file $name"; $output = RES; } else { # resource already included undef $output; } } elsif (/^%%EndResource/ || /^%%EndFont/ || /^%%EndProcSet/) { if (defined $output) { print $output $_; close($output); } $output = $saveout; next; } elsif ((/^%%EndProlog/ || /^%%BeginSetup/ || /^%%Page:/)) { $output = BODY; } print $output $_ if defined $output; } close(BODY); # close body output file open(BODY, $body); # reopen body for input while (<BODY>) { # print it all print $_; } close(BODY); unlink($body); # dispose of body file