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Date: Thu, 10 Sep 2015 16:33:37 +0200
Subject: Re: textfile: copy between 2 keywords
From: Vlastimil Brom <vlastimil.brom@gmail.com>
To: python <python-list@python.org>
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Xref: csiph.com comp.lang.python:96261

2015-09-10 13:18 GMT+02:00 Gerald <schweiger.gerald@gmail.com>:
> Hey,
>
> is there a easy way to copy the content between 2 unique keywords in a .txt file?
>
> example.txt
>
> 1, 2, 3, 4
> #keyword1
> 3, 4, 5, 6
> 2, 3, 4, 5
> #keyword2
> 4, 5, 6 ,7
>
>
> Thank you very much

Hi,
just to add another possible approach, you can use regular expression
search for this task, e.g.
(after you have read the text content to an input string):

>>> import re
>>> input_txt ="""1, 2, 3, 4
... #keyword1
... 3, 4, 5, 6
... 2, 3, 4, 5
... #keyword2
... 4, 5, 6 ,7"""
>>> re.findall(r"(?s)(#keyword1)(.*?)(#keyword2)", input_txt)
[('#keyword1', '\n3, 4, 5, 6\n2, 3, 4, 5\n', '#keyword2')]
>>>

like in the other approaches, you might need to specify the details
for specific cases (no keywords, only one of them, repeated keywords
(possible in different order, overlapping or "crossed"), handling of
newlines etc.

hth,
   vbr