This file is indexed.

/usr/bin/change-po-charset is in potool 0.16-3.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/usr/bin/perl
# Changes the "charset" attribute value of the Content-Type header in a po file.
# Does NOT actually change the encoding of the file.
#
# Copyright 2007-2009 Marcin Owsiany
# This script is public domain.
use strict;
use warnings;

my $debug = 0;

my $charset = shift @ARGV;
die "Usage: change-po-charset <charset> [ file ] [ ... ]\n" unless defined $charset;

# States
my ($S_BLANK, $S_COMMENT, $S_MSGCTXT, $S_MSGID, $S_MSGSTR) = (1..10);

# Possible regexes
my %r = (
	blank   => qr{^\s*$}oi,
	comment => qr{^#}oi,
	msgctxt => qr{^msgctxt\s+"(.*)"$}oi,
	msgid   => qr{^msgid(_plural)?\s+".*"$}oi,
	msgstr  => qr{^msgstr(\[\w+\])?\s+".*"$}oi,
	string  => qr{^".*"$}oi,
);
my $subst = qr{^("Content-Type:.*charset=)(.*?)(( *;.*)?\\n")$}oi;

# Current line
my $l;
# Current line number
my $n = 0;
# Curerrent state
my $s = $S_BLANK;
# Whether we've done the job
my $done = 0;

while ($l = <>) {
	chomp $l;
	my $orig_s = $s;
	$n++;

	if ($done) {
		print $l, "\n" or die "print failed: $!";
		next;
	} elsif ($s == $S_BLANK && $l =~ $r{blank}) {
	} elsif (($s == $S_BLANK || $s == $S_COMMENT) && $l =~ $r{comment}) {
		$s = $S_COMMENT;
	} elsif (($s == $S_BLANK || $s == $S_COMMENT) && $l =~ $r{msgctxt}) {
		$s = $S_MSGCTXT;
	} elsif (($s == $S_BLANK || $s == $S_COMMENT || $s == $S_MSGCTXT) && $l =~ $r{msgid}) {
		$s = $S_MSGID;
	} elsif ($s == $S_MSGID  && $l =~ $r{msgstr}) {
		$s = $S_MSGSTR;
	} elsif ($s == $S_MSGID  && ($l =~ $r{string} or $l =~ $r{msgid})) {
	} elsif ($s == $S_MSGSTR && ($l =~ $r{string} or $l =~ $r{msgstr})) {
	} elsif ($s == $S_MSGSTR && $l =~ $r{blank}) {
		$s = $S_BLANK;
	} else {
		die "Unrecognized line num. $n in state $s: [$l], exiting";
	}

	if ($s == $S_MSGSTR) {
		$done = $l =~ s{$subst}{${1}${charset}${3}}i;
		print STDERR "CHANGED\n" if $debug and $done;
	}

	print $l, "\n" or die "print failed: $!";

	printf STDERR "%03d: %s->%s: [%s]\n", $n, $orig_s, $s, $l if $debug;
}

close(STDOUT) or die "close failed: $!";
exit($done ? 0 : 2);