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hi.
I have a file with this kind of structure:

Hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
..........
......
......
xxxxx
Hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
....
.....
....
xxxxx
Hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
......
.....
and so on....lines starting with 'H' are headers. I wish to get the
parts of the file
where line start with 'H' all the way till before the next 'H' and save
to files of different names...how is the best way to do it ?
thanks

wrote:
> hi.
> I have a file with this kind of structure:
>
> Hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> .........
> .....
> .....
> xxxxx
> Hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> ...
> ....
> ...
> xxxxx
> Hxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> .....
> ....
> and so on....lines starting with 'H' are headers. I wish to get the
> parts of the file
> where line start with 'H' all the way till before the next 'H' and save
> to files of different names...how is the best way to do it ?
> thanks

Something like this?

out = None
for line in open(...):
if line.startswith('H'):
if out:
out.close()
out = open(..., 'w')
if out:
out.write(line)
out.close()

Kent