how long a Str can be used in this python code segment?

Chris Rebert clp2 at
Mon Feb 1 10:26:55 CET 2010

On Mon, Feb 1, 2010 at 1:17 AM, Stephen.Wu <54wutong at> wrote:
> (very huge file)
> if targetStr in tmp:
>    print "find it"
> else:
>    print "not find"
> file.close()
> I checked if is huge to some extend, it doesn't work, but
> could any give me some certain information on this prolbem?

If the file's contents is larger than available memory, you'll get a
MemoryError. To avoid this, you can read the file in by chunks (or if
applicable, by lines) and see if each chunk/line matches.


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