Kent Johnson wrote:
> Robert Hicks wrote:
>> Kent Johnson wrote:
>>> Robert Hicks wrote:
>>>> idList only has about 129 id numbers in it.
>>> That is quite a few times to be searching each line of the file. Try
>>> using a regular expression search instead, like this:
>>>
>>> import re
>>> regex = re.compile('|'.join(idList))
>>> for line in f2:
>>> if regex.search(line):
>>> # process a hit
>>>
>> Since I am printing to a file like so:
>>
>> [id]: [line]
>>
>> I don't see how I can get the id back out of the regex.search like I
>> could in my code.
>
> match = regex.search(line)
> if match:
> idMatch = match.group()
> print idMatch, line
>
> Note this will only find the first id match on a line. If you need to
> find multiple matches per line use findall() or finditer() as Dave suggests.
>
> re docs are here:
> http://docs.python.org/lib/module-re.html
>
I was just reading that. : )
That worked...and while the first one was probably "good" enough, I have
learned something new today thanks to you and the others.
TYVM
Robert
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