On Nov 01, Mike Meyer wrote:
> Kristina Kudriaðova <[EMAIL PROTECTED]> writes:
>
> > 1 Nov 2005 09:19:45 -0800, [EMAIL PROTECTED] <[EMAIL PROTECTED]>:
> >> Hi, I have a file with this content:
> >>
> >> zzzz zzzzz zzz zzzzz
> >> ...
> >> xxxxxxx xxxxxxxxxx xxxxx 34.215
> >> zzzzzzz zz zzzz
> >> ...
> >>
> >
> > Hi,
> >
> > I'd suggest doing this:
> >
> > f = file('...')
> > for line in f:
> > if 'xxxxxxx xxxxxxxxxx xxxxx' in line:
> > var = float(line[len('xxxxxxx xxxxxxxxxx xxxxx'):].strip())
> > f.close()
>
> Alternatively:
>
> start = len('xxxxxxx xxxxxxxxxx xxxxx')
> for line in f:
> if line.startswith('xxxxxxx xxxxxxxxxx xxxxx'):
> var = float(line[start:].strip())
To refine this even further, I'll add that 'xxx...' is an ugly pattern
to repeat, and prone to mistyping, so add a tempvar and apply DRY::
pattern = 'xxxxxxx xxxxxxxxxx xxxxx'
start = len(pattern)
for line in f:
if line.startswith(pattern):
var = float(line[start:].strip())
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|V|icah |- lliott http://micah.elliott.name [EMAIL PROTECTED]
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