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diff src/toplev.cc @ 5199:16a6247730d9

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[project @ 2005-03-10 20:24:45 by jwe]
author jwe
date Thu, 10 Mar 2005 20:24:45 +0000 (2005-03-10)
parents 85b315ad5f7d
children 5f0ad69b5c8c
line wrap: on
line diff
--- a/src/toplev.cc
+++ b/src/toplev.cc
@@ -790,7 +790,11 @@
       if (! error_state)
 	{
 	  Cell c = m.contents (arg.c_str ());
-	  retval = c(0);
+
+	  if (c.is_empty ())
+	    error ("octave_config_info: no info for `%s'", arg.c_str ());
+	  else
+	    retval = c(0);
 	}
     }
   else if (nargin == 0)