* ssa-retime : add script output

bin/ssa-retime

@@ -132,4 +132,10 @@ if ($mode eq 'framerate') {
   ...;
 }
 
+if ($opts{outfile}) {
+  print $ssa->to_file($opts{outfile});
+} else {
+  print $ssa->to_string;
+}
+
 exit 0;