X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fmidi.scm;h=cf43d3af7592759e5f5887812a1b6f2667665ce1;hb=def21b306e2b8fa2d5630fab0878e9922e197f0c;hp=715c8c0e37fc8fa1ddf2d32fb9bfae90f188069e;hpb=5842c0a15dc9683fc74996c6703ea33d4dd43ad0;p=lilypond.git

diff --git a/scm/midi.scm b/scm/midi.scm
index 715c8c0e37..cf43d3af75 100644
--- a/scm/midi.scm
+++ b/scm/midi.scm
@@ -284,18 +284,17 @@ returns the program of the instrument
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;
 
-(define-public (write-performances-midis performances basename)
+(define-public (write-performances-midis performances basename . rest)
+  (let ((midi-ext (ly:get-option 'midi-extension)))
   (let
       loop
     ((perfs performances)
-     (count 0))
-
-
+     (count (if (null? rest) 0 (car rest))))
     (if (pair?  perfs)
 	(begin
 	  (ly:performance-write
 	   (car perfs)
 	   (if (> count 0)
-	       (format #f "~a-~a.midi" basename count)
-	       (format #f "~a.midi" basename)))
+	       (format #f "~a-~a.~a" basename count midi-ext)
+	       (format #f "~a.~a" basename midi-ext)))
 	  (loop (cdr perfs) (1+ count))))))