JezK
Edit File: update-locale
#! /usr/bin/perl -w use strict; use Getopt::Long; my $progname = "update-locale"; my $locale_file = "/etc/default/locale"; my $help = 0; my $reset = 0; # Kept for compatibility reasons my $remove = 0; my $no_checks = 0; GetOptions( 'reset' => \$reset, 'remove' => \$remove, 'locale-file=s' => \$locale_file, 'no-checks' => \$no_checks, 'h|help' => \$help, ); sub usage { my $rc = shift; print STDERR "Usage: $progname [OPTIONS] [LANG=locale] [LC_NUMERIC=locale] ... Options: --help display this message and exit --reset ignore variables defined in the locale file --locale-file=FILE file containing locale variables (Default: /etc/default/locale) --no-checks do not perform sanity checks on locale variables "; exit $rc; } $help && usage(0); # Process command-line arguments my %arg = (); my $content = ''; my $mode = 0644; if (-r $locale_file) { # Keep file mode $mode = (stat($locale_file))[2] & 07777; # Read current values open(IN, "<", $locale_file) or die "$progname: Unable to read $locale_file: $!\n"; while (<IN>) { $content .= $_; next unless m/^(\w+)=(.*)/; $arg{$1} = $2 unless $reset; } close(IN) or die "$progname: Unable to close $locale_file: $!\n"; $content =~ s/^(\s*\w+=)/#$1/mg; $content .= "\n" unless $content =~ m/\n$/s; } else { $content = "# File generated by $progname\n"; } for (@ARGV) { if (m/(\w+)=(.*)/) { $arg{$1} = $2; } else { delete $arg{$_}; } } my $env = ''; my ($key, $value); while (($key, $value) = each %arg) { $env .= " $key=$value"; $content =~ s/^#\s*$key=.*/$key=$value/m or $content .= "$key=$value\n"; } # Sanity checks if ($no_checks == 0) { # Check that this locale does exist my $charset = `LANG= LC_CTYPE= LC_NUMERIC= LC_TIME= LC_COLLATE= LC_MONETARY= LC_MESSAGES= LC_PAPER= LC_NAME= LC_ADDRESS= LC_TELEPHONE= LC_MEASUREMENT= LC_IDENTIFICATION= LC_ALL= $env locale charmap 2>&1`; die "*** $progname: Error: invalid locale settings: $env\n" if ($charset =~ m/Cannot set/); # If LANGUAGE is set, its first value must be compatible with LC_MESSAGES if (defined $arg{LANGUAGE}) { my $language = $arg{LANGUAGE}; $language =~ s/["']//g; $language =~ s/[.:_].*//; my $msg = ''; my $var = ''; for (qw(LANG LC_MESSAGES LC_ALL)) { if (defined $arg{$_}) { $var = $_; $msg = $arg{$_}; } } $msg =~ s/["']//g; if ($msg !~ m/^$language/ && $var ne '' && $msg ne 'C' && $msg ne 'POSIX' && $language ne 'C' && $language ne 'POSIX') { print "*** $progname: Warning: LANGUAGE ($arg{LANGUAGE}) is not compatible with $var ($msg). Disabling it.\n"; $content =~ s/^(\s*LANGUAGE=)/#$1/mg; } } } # Write locale file open(OUT, ">", $locale_file) or die "$progname: Unable to write $locale_file: $!\n"; print OUT $content; close(OUT) or die "$progname: Unable to close $locale_file: $!\n"; chmod($mode, $locale_file) or die "$progname: Unable to chmod $locale_file: $!\n"; 1;