# HG changeset patch
# User Philip Nienhuis <prnienhuis@users.sf.net>
# Date 1332716650 25200
# Node ID 9fc75cdf61abbc1949ad6468203d643bf0ed9e34
# Parent  bd592d5482c0d49c97cef2c5e8c72d3f94aa976a
strread.m: Trap empty string input (bug #35999)

* strread.m: Silently return requested number of output args, all empty,
for empty input string.

diff --git a/scripts/io/strread.m b/scripts/io/strread.m
--- a/scripts/io/strread.m
+++ b/scripts/io/strread.m
@@ -163,6 +163,12 @@
   if (nargin < 1)
     print_usage ();
   endif
+  
+  if (isempty (str))
+    ## Return empty args (no match), rather than raising an error
+    varargout = cell (1, nargout);
+    return;
+  endif
 
   if (isempty (format))
     format = "%f";
@@ -889,3 +895,10 @@
 %! assert (b, [0.86; 0.72], 0.01)
 %! assert (c, [0.94; 0.87], 0.01)
 
+%!test
+%! # Bug #35999
+%! [a, b, c] = strread ("", "%f");
+%! assert (isempty (a));
+%! assert (isempty (b));
+%! assert (isempty (c));
+