Index: applications/editors/josm/i18n/launchpad.pl
===================================================================
--- applications/editors/josm/i18n/launchpad.pl	(revision 16400)
+++ applications/editors/josm/i18n/launchpad.pl	(revision 16973)
@@ -3,16 +3,22 @@
 use strict;
 
-die "URL not given." if $#ARGV != 0;
 
-mkdir "new";
-die "Could not change into new data dir." if !chdir "new";
-system "wget $ARGV[0]";
-system "tar -xf laun*";
-chdir "..";
-foreach my $name (split("\n", `find new -name "*.po"`))
+if($#ARGV != 0)
 {
-  my $a=$name;
-  $a =~ s/.*-//;
-  system "mv -v $name po/$a" if -f "po/$a";
+    warn "URL not given." 
+}
+else
+{
+    mkdir "new";
+    die "Could not change into new data dir." if !chdir "new";
+    system "wget $ARGV[0]";
+    system "tar -xf laun*";
+    chdir "..";
+    foreach my $name (split("\n", `find new -name "*.po"`))
+    {
+      my $a=$name;
+      $a =~ s/.*-//;
+      system "mv -v $name po/$a" if -f "po/$a";
+    }
 }
 system "ant";