Re: textscan wanted

[Ben Abbott]

On Oct 20, 2010, at 1:55 PM, Ben Abbott wrote:

> On Oct 20, 2010, at 1:39 PM, Dr. Johannes Zellner wrote:
> 
>> 2010/10/20 Ben Abbott <address@hidden>
>> On Oct 20, 2010, at 4:53 AM, Dr. Johannes Zellner wrote:
>> 
>>>> Hi,
>>>> 
>>>> I've a bunch of matlab files which use textscan.
>>>> 
>>>> I don't want to replace all textscan calls with something like fscanf but 
>>>> I'd rather like to have an octave function which implements textscan().
>>>> 
>>>> Does anyone have a textscan implementation?
>>>> 
>>>> regards,
>>>> 
>>>> --
>>>> Johannes.
>>> 
>>> I've opened a ticket in the bug tracker.
>>> 
>>>       https://savannah.gnu.org/bugs/index.php?31380
>>> 
>>> For now, have you looked at using textread() instead? Unfortunately, 
>>> textread() is not fully compatible with the ML version.
>>> 
>>> The syntax for ML's textscan is ...
>>> 
>>> C = textscan (fid, 'format')
>>> C = textscan (fid, 'format', N)
>>> C = textscan (fid, 'format', 'param', value)
>>> C = textscan (fid, 'format', N, 'param', value)
>>> C = textscan (str, ...)
>>> [C, position] = textscan (...)
>>> 
>>> If you don't require the input "N", it should be straight forward to modify 
>>> scantext() to implement textscan(). A quick fix would support the limited 
>>> syntax below.
>>> 
>>> C = textscan (fid, 'format')
>>> C = textscan (fid, 'format', 'param', value)
>>> C = textscan (str, ...)
>>> 
>>> Would that be useful to you?
>>> 
>>> Ben
>> 
>> Ben,
>> 
>> thanks for the quick response.
>> It would be more useful, if it would also allow the input parameter N.
>> 
>> regards,
> 
> Ok. Can you provide a simple example with both an input file and a script 
> that uses textscan() with the parameter N to read some data?
> 
> Ben

I found some simple examples on the web, and made an attempt at implementing 
the function.

I'd appreciate it if you can try the attached textscan.m and let us know if it 
works for you.

Ben

textscan.m
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