# HG changeset patch
# User Rik <octave@nomad.inbox5.com>
# Date 1311807932 25200
# Node ID a19b50f6697f62b03441ff03eb31e607aa15c723
# Parent  ef5ebbf2a657e1dbed0cd07327a0f77b355453a6
Correctly allow single string input form of fopen() (Bug #33535).

* file-io.cc (fopen): Correct nargout check when distinguishing between
input filename and special input keyword "all".

diff --git a/src/file-io.cc b/src/file-io.cc
--- a/src/file-io.cc
+++ b/src/file-io.cc
@@ -666,14 +666,14 @@
 
   if (nargin == 1)
     {
-      if (nargout < 2 && args(0).is_string ())
+      if (args(0).is_string ())
         {
           // If there is only one argument and it is a string but it
           // is not the string "all", we assume it is a file to open
           // with MODE = "r".  To open a file called "all", you have
           // to supply more than one argument.
 
-          if (args(0).string_value () == "all")
+          if (nargout < 2 && args(0).string_value () == "all")
             return octave_stream_list::open_file_numbers ();
         }
       else