examples/utils.c: print error messages on stderr

diff --git a/examples/utils.c b/examples/utils.c
index 96862af..6fc6425 100644 (file)
--- a/examples/utils.c
+++ b/examples/utils.c
@@ -83,7 +83,7 @@ examples_common_init (int argc, char **argv)
     debug ("Opening files ...\n");
     this_source = new_aubio_source ((char_t*)source_uri, samplerate, hop_size);
     if (this_source == NULL) {
-      outmsg ("Could not open input file %s\n", source_uri);
+      errmsg ("Error: could not open input file %s\n", source_uri);
       exit (1);
     }
     if (samplerate == 0) {
@@ -92,13 +92,13 @@ examples_common_init (int argc, char **argv)
     if (sink_uri != NULL) {
       uint_t sink_exists = (access(sink_uri, F_OK) == 0 );
       if (!force_overwrite && sink_exists) {
-        outmsg ("Output file %s already exists, use -f to overwrite.\n",
+        errmsg ("Error: output file %s already exists, use -f to overwrite.\n",
             sink_uri);
         exit (1);
       }
       this_sink = new_aubio_sink ((char_t*)sink_uri, samplerate);
       if (this_sink == NULL) {
-        outmsg ("Could not open output file %s\n", sink_uri);
+        errmsg ("Error: could not create output file %s\n", sink_uri);
         exit (1);
       }
     }