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#!/usr/bin/perl
# Copyright (C) 2004 Brailcom, o.p.s.
#
# Authors: Tomáš Cerha <cerha@brailcom.org>, Milan Zamazal <pdm@brailcom.org>
#
# COPYRIGHT NOTICE
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
my ($begin, $end, $compress) = @ARGV;
die "Usage: $0 begin end [--compress]\n"
unless (defined($begin) and defined($end)
and (not defined($compress) or $compress eq '--compress'));
my ($zip) = grep(defined, `which bzip2`, `which gzip`) if defined($compress);
if (defined($zip)) {
open(OUT, "|$zip") or die "Unable to open pipe to $zip: $!";
} else {
*OUT = *STDOUT;
}
my $inside = 0;
while (<STDIN>) {
if ($inside == 1) {
print OUT;
if (/$end/o) {
last;
}
}
else {
if (/$begin/o) {
$inside = 1;
print OUT;
}
}
}
close(OUT) if (defined($compress));
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