Hi,
On Fri, Jan 02, 2015 at 09:21:53PM +1100, Cameron Simpson wrote:
> On 02Jan2015 10:00, Ervin Hegedüs <airw...@gmail.com> wrote:
> >On Thu, Jan 01, 2015 at 05:13:31PM -0600, Anthony Papillion wrote:
> >>I have a function I'm writing to delete wildcarded files in a directory.
> >>I tried this:
> >>
> >>def unlinkFiles():
> >> os.remove("/home/anthony/backup/unix*")
> >>
> >>This doesn't seem to work because it's a wildcard filename. What is the
> >>proper way to delete files using wildcards?
> >
> >Now I didn't checked, but once I've used some like this:
> >
> >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.
well, that's true - but that works only the example above.
> But generally the OP will probably want to use the glob module to
> expand the shell pattern as suggested by others.
I didn't know the glob module before, but yes, that's better
solution for this - but as I see, that also uses os.listdir()
(and fnmatch modue).
Anyway, thanks for the tip.
a.
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