#!/usr/bin/perl
# This file was preprocessed, do not edit!


use warnings;
use strict;
use Getopt::Long;

use vars qw($escape $unescape);

sub usage {
	print STDERR <<EOF;
Usage: debconf-unescape -e|-u < input-text
  -e, --escape      escape text
  -u, --unescape    unescape text

Exactly one of -e or -u must be used.
EOF
	exit(1);
}

$escape=0;
$unescape=0;

GetOptions(
	"escape|e" => \$escape,
	"unescape|u" => \$unescape,
) || usage();

if ($escape == $unescape) {
	usage();
}

if ($escape) {
	while (<STDIN>) {
		s/\\/\\\\/g;
		s/\n/\\n/g;
		print;
	}
} else {
	while (<STDIN>) {
		for (split /(\\.)/) {
			s/\\(.)/$1 eq "n" ? "\n" : $1/eg;
			print;
		}
	}
}