[SciPy-User] Ignore characters while reading text

Florian Lindner mailinglists@xgm...
Mon Jun 17 15:46:04 CDT 2013


Am Freitag, 14. Juni 2013, 07:32:09 schrieb Matt Newville:
> On Fri, Jun 14, 2013 at 5:50 AM, Florian Lindner <mailinglists@xgm.de> 
wrote:
> > Hello,
> > 
> > I have a text file with data like
> > 
> > 1 (2 3 4) (5 6 7) (8 9 10)
> > 2 (4 5 1) (3 6 8) (1 6 45)
> > 
> > How can I read that file into an array?
> > 
> > [
> > [1, 2, 3, 5, 6, 7, 8, 9, 10]
> > [2, 4, 1, 3, ... ]
> > ]
> > 
> > I tried genfromtxt with deletechars="()" but that seems to affect only
> > 'names'. I also tried delimiter="() " but that didn't work either.
> 
> Would this do?
> 
>     import numpy as np
>     from cStringIO import StringIO
>     txt= '1 (2 3 4) (5 6 7) (8 9 10)'
>     np.loadtxt(StringIO(txt.replace('(', '').replace(')', '')))

Thanks!

Speed is not an issue here, it's a just a (8000, 20) array.


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