[Numpy-discussion] More loadtxt() changes

Manuel Metz mmetz@astro.uni-bonn...
Fri Nov 28 04:42:24 CST 2008


Pierre GM wrote:
> On Nov 27, 2008, at 3:08 AM, Manuel Metz wrote:
>> Certainly, yes! Dealing with fixed-length fields would be necessary.  
>> The
>> case I had in mind had both -- a separator ("|") __and__ fixed-length
>> fields -- and is probably very special in that sense. But such
>> data-files exists out there...
> 
> Well, if you have a non-space delimiter, it doesn't matter if the  
> fields have a fixed length or not, does it? Each field is stripped  
> anyway.

Yes. It would already be _very_ helpful (without changing loadtxt too 
much) if the current implementation uses a converter like this

def fval(val):
     try:
         return float(val)
     except:
         return numpy.nan

instead of float(val) by default.

mm

> The real issue is when the delimiter is ' '... I should be able to  
> take care of that over the week-end (which started earlier today over  
> here :) 
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