Re: getl strange behaviour (?)

[talassio]

Hello ,
My Octave version is 3.0.0, and yes, the patch does fix the problem.

Thank you for pointing it out.



Jaroslav Hajek-2 wrote:
> 
> On Thu, Jul 17, 2008 at 5:07 AM, talassio <address@hidden> wrote:
>>
>> Hello!
>>
>> Suppose we want to getl the following file: fid=fopen(pfmc100.dimacs,
>> "r");
>>  --- start file ---
>> a 5    4  0    5 -1
>> a 6    5  0    8  0
>> a 6    4  0   15  7
>>  --- end file ---
>>
>>> linea = getl(fid);
>>> [str de a l u c cnt] = sscanf(linea, '%s %i %i %i %i %i', "C");
>> c = -1
>> cnt = 6
>>
>>> linea = getl(fid);
>>> [str de a l u c cnt] = sscanf(linea, '%s %i %i %i %i %i', "C");
>> c = [](0x0)
>> cnt = 5
>>
>>> linea = getl(fid);
>>> [str de a l u c cnt] = sscanf(linea, '%s %i %i %i %i %i', "C");
>> c = 7
>> cnt = 6
>>
>> That is, if the last number on a line is 0 (zero) it won't be correctly
>> read: c=[](0x0) with cnt=5. If it is other number/letter there is no
>> problem
>> (cnt=6).
>>
>> A work around is:
> 
> Next time please read http://www.gnu.org/software/octave/bugs.html
> for details about bug reporting.
> 
> What's your Octave version?
> I guess you're seeing the problem reported and fixed here:
> http://www.nabble.com/sscanf-misses-%220%22-conversion-w--%22-i%22-at-end-of-string-td16637114.html#a16662072
> 
> Anyway, it is apparent that it is a problem with sscanf and not fgetl.
> 
> regards
> 
>>
>>> [str de a l u c cnt] = sscanf(linea, '%s %i %i %i %i %s', "C");
>> c = str2num(c)
>>
>> and worked as expected on the lines where the last item is a 0 (zero).
>>
>> I am not sure this is the correct behaviour of getl(...).
>>
>> Any comments?
>>
>> Andres.
>>
>>
>> --
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>>
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> 
> 
> 
> -- 
> RNDr. Jaroslav Hajek
> computing expert
> Aeronautical Research and Test Institute (VZLU)
> Prague, Czech Republic
> url: www.highegg.matfyz.cz
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> 

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