Re: textscan wanted

[Ben Abbott]

For the developer's sources, strread is part of the core. I just checked the 
sources, it was added 12 months ago.

        
http://hg.savannah.gnu.org/hgweb/octave/log/d3eaaa7c6762/scripts/io/strread.m

I don't know if it can be transplanted into prior versions and work correctly.

Ben


On Oct 21, 2010, at 2:52 AM, Dr. Johannes Zellner wrote:

> Ben,
> 
> thanks // where do I get strread which is used in your function?
> -- 
> Johannes
> 
> 
> 2010/10/20 Ben Abbott <address@hidden>
> 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
> 
> 
> 
> 
> 
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