From help-octave-request at che dot utexas dot edu  Fri Jan 27 16:18:30 1995
Subject: Re: problem with feof() function in octave 1.1 
From: John Eaton <jwe at che dot utexas dot edu>
To: Dutt dot Vinayak at mayo dot EDU
cc: help-octave
Date: Fri, 27 Jan 95 16:18:27 CST

vdp at us0 dot mayo dot EDU (Vinayak Dutt) wrote:

: i was trying to use feof() function to test end-of-file condition in
: the new octave 1.1 when i get error message:
: 
: octave:15> err = feof(f)
: error: range error
: error: invalid conversion from <unknown type> to real scalar
: error: inapproriate file specifier
: error: evaluating index expression near line 15, column 11
: error: evaluating assignment expression near line 15, column 5
: 
: here f is the file opened with fopen().

This has been fixed for 1.1.1.  Here is a patch:


Thu Jan 19 08:33:50 1995  John Eaton  <jwe at schoch dot che dot utexas dot edu>

	* src/file-io.cc (feof_internal): Use args(0), not args(1).


*** src/file-io.cc~	1995/01/04 04:05:12
--- src/file-io.cc	1995/01/19 15:07:59
***************
*** 1773,1779 ****
    Octave_object retval;
  
  // Get file info.
!   Pix p = return_valid_file (args(1));
  
    if (! p)
      return retval;
--- 1773,1779 ----
    Octave_object retval;
  
  // Get file info.
!   Pix p = return_valid_file (args(0));
  
    if (! p)
      return retval;



BTW, it's probably best to send bug reports to bug-octave instead of
help-octave.

Thanks,

jwe