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Date: Fri, 2 Jan 2015 05:35:52 -0600
From: Tim Chase <python.list@tim.thechases.com>
To: python-list@python.org
Subject: Re: How do I remove/unlink wildcarded files
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Xref: csiph.com comp.lang.python:83113

On 2015-01-02 21:21, Cameron Simpson wrote:
> >def unlinkFiles():
> >    dirname = "/path/to/dir"
> >    for f in os.listdir(dirname):
> >        if re.match("^unix*$", f):
> >            os.remove(os.path.join(dirname, f))
> 
> That is a very expensive way to check the filename in this
> particular case. Consider:
> 
>   if f.startswith('unix'):
> 
> instead of using a regular expression.

And worse, the given re would delete a file named "uni" which doesn't
sound ANYTHING like what the OP wanted :-)

-tkc