rlm@8: #!/usr/bin/perl
rlm@8: 
rlm@8: package Filter;
rlm@8: use base 'Exporter';
rlm@8: our @EXPORT = ('filter');
rlm@8: 
rlm@8: 
rlm@8: sub filter
rlm@8: {
rlm@8: 
rlm@8: 	$ref = shift;
rlm@8: 	@list = @_;
rlm@8: 	my @ret = ();
rlm@8: 	
rlm@8: 	for $element(@list)
rlm@8: 	{
rlm@8: 		if ($ref->($element))
rlm@8: 		{
rlm@8: 			push @ret, $element;
rlm@8: 		}
rlm@8: 	}
rlm@8: 
rlm@8: 	return @ret
rlm@8: 	
rlm@8: }
rlm@8: 
rlm@8: 
rlm@8: 1;