flm01/openwrt/package/luci/build/i18n-update.pl

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Perl
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#!/usr/bin/perl
@ARGV >= 1 || die "Usage: $0 <po directory> [<file pattern>]\n";
my $source = shift @ARGV;
my $pattern = shift @ARGV || '*.po';
if( open F, "find $source -type f -name '$pattern' |" )
{
while( chomp( my $file = readline F ) )
{
my ( $basename ) = $file =~ m{.+/([^/]+)\.po$};
if( -f "$source/templates/$basename.pot" )
{
printf "Updating %-40s", $file;
system("msgmerge", "-U", "-N", $file, "$source/templates/$basename.pot");
}
}
close F;
}