Re: fopen: default open mode is now binary?

[mavram]

On Thu, Apr 07, 2005 at 08:56:45AM -0400, Vic Norton wrote:
> I have just upgraded octave on my Mac (OS X) form 2.1.57 to 2.1.69. I 
> am now getting a warning message that I am curious about:
> 
>    warning: fopen: default open mode is now binary
> 
> What should I do about this? It doesn't seem to present a problem. I 
> am simply writing a text file
>    file = "Output/portfolioValues.csv";
>    fid = fopen(file, "w");
>    fprintf (fid, "Data for getCurrentValue.pl\n");
>    fprintf (fid, "date0, %s\n", date0);
>    ...
>    fclose (fid);
> for subsequent processing by Perl. The correct text is being written. 
> Is there something I can add to my "fopen" line to prevent the 
> warning?
> 
> Regards,
> 
> Vic
> 
> 
> 
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 Hi
If you write explicitely fid = fopen(file, "wt"), instead of just 
fid = fopen(file, "w"); you won't get any warning.
But I am surprised that octave accepted the argument 
file = "Output/portfolioValues.csv"
On my system, the succession of commands:
file = "Output/portfolioValues.csv";
fid = fopen(file, "w")
 gave the output: fid = -1; i.e. no file was opened. Only when I
 left out the Output/ part did it behave correctly

 I guess this is due to the fact that you use Mac OS while I am
 using linux: The meaning and treatment of the forward slash is
 apparently different.
 Cheers, Avraha



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Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
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