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diff scripts/testfun/demo.m @ 15520:bcace51598ed

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Improve demo() to warn when an input function does not exist. * demo.m: Check return code from test to see whether function exists and issue a warning if it does not. * test.m: Return -1 for second retval when grabdemo option given and function does not exist.
author Rik <rik@octave.org>
date Sun, 14 Oct 2012 20:18:22 -0700
parents dda73cb60ac5
children 333243133364
line wrap: on
line diff
--- a/scripts/testfun/demo.m
+++ b/scripts/testfun/demo.m
@@ -101,7 +101,11 @@
   endif
 
   [code, idx] = test (name, "grabdemo");
-  if (isempty (idx))
+
+  if (idx == -1)
+    warning ("no function %s found", name);
+    return;
+  elseif (isempty (idx))
     warning ("no demo available for %s", name);
     return;
   elseif (n >= length (idx))