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Message from discussion My first ever Python program, comments welcome
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Steven D'Aprano  
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 More options Jul 21 2012, 8:56 pm
Newsgroups: comp.lang.python
From: Steven D'Aprano <steve+comp.lang.pyt...@pearwood.info>
Date: 22 Jul 2012 00:56:55 GMT
Local: Sat, Jul 21 2012 8:56 pm
Subject: Re: My first ever Python program, comments welcome
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On Sat, 21 Jul 2012 16:10:51 -0400, Dave Angel wrote:
>> with fileinput.input(files=(filename)) as f:

> fileinput is much more general than you want for processing a single
> file.  That may be deliberate, if you're picturing somebody using
> wildcards on their input.  But if so, you should probably use a
> different name, something that indicates plural.

Also, fileinput is more a convenience module than a serious production
quality tool. It works, it does the job, but it can be slow. From the
source:

    Performance: this module is unfortunately one of the slower ways of
    processing large numbers of input lines.

--
Steven


 
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