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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';
sub read_header
{
my $file = shift || return;
local $/;
open P, "< $file" || die "open(): $!";
my $data = readline P;
close P;
$data =~ /
^ (
msgid \s "" \n
msgstr \s "" \n
(?: " [^\n]+ " \n )+
\n )
/mx;
return $1;
}
sub write_header
{
my $file = shift || return;
my $head = shift || return;
local $/;
open P, "< $file" || die "open(): $!";
my $data = readline P;
close P;
$data =~ s/
^ (
msgid \s "" \n
msgstr \s "" \n
(?: " [^\n]+ " \n )+
\n )
/$head/mx;
open P, "> $file" || die "open(): $!";
print P $data;
close P;
}
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" )
{
my $head = read_header($file);
printf "Updating %-40s", $file;
system("msgmerge", "-U", "-N", $file, "$source/templates/$basename.pot");
write_header($file, $head);
}
}
close F;
}
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