public function execute()
{
// Parse the po file.
$p = new PoImporter($this->getOption('file'));
$p->setProgressCallback(array($this, 'myOutput'));
list($changes, $group) = $p->parse();
if (!count($changes)) {
$this->output("No changes to import\n");
exit(0);
}
// Import changes to wiki.
$w = new WikiWriter($changes, $group, $this->getOption('user'), !$this->hasOption('really'));
$w->setProgressCallback(array($this, 'myOutput'));
$w->execute();
}
