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Hi,

How can I check for the xistence of any file that matches a wildcard?

For example: ppis-*.iss

os.path.exists() doesn't expand the wildcard...

Fernando Rodriguez wrote:

> How can I check for the xistence of any file that matches a wildcard?
>
> For example: ppis-*.iss
>
> os.path.exists() doesn't expand the wildcard...

Use glob.glob and then os.path.exists in a loop.

--
Erik Max Francis && && http://www.alcyone.com/max/
__ San Jose, CA, USA && 37 20 N 121 53 W && &tSftDotIotE
/ \
\__/ Get married, but never to a man who is home all day.
-- George Bernard Shaw

Fernando Rodriguez wrote:

> Hi,
>
> How can I check for the xistence of any file that matches a wildcard?
>
> For example: ppis-*.iss
>
> os.path.exists() doesn't expand the wildcard...

have you taken a look at glob.glob?

import glob, os

dirname="."
filespec="ppis-*.iss"

print glob.glob(os.path.join(dirname, filespec))

cya,
Eric

--
---
s- should be removed to contact me...

Erik Max Francis <> wrote in message news:<>...
> Fernando Rodriguez wrote:
>
> > How can I check for the xistence of any file that matches a wildcard?
> >
> > For example: ppis-*.iss
> >
> > os.path.exists() doesn't expand the wildcard...
>
> Use glob.glob and then os.path.exists in a loop.

Wouldn't the glob.glob only return files that actually exist?

Jeremy

Jeremy Fincher wrote:

> Erik Max Francis <> wrote in message
> news:<>...
>
> > Fernando Rodriguez wrote:
> >
> > > How can I check for the xistence of any file that matches a
> > > wildcard?
> > >
> > > For example: ppis-*.iss
> > >
> > > os.path.exists() doesn't expand the wildcard...
> >
> > Use glob.glob and then os.path.exists in a loop.
>
> Wouldn't the glob.glob only return files that actually exist?

Sure, but isn't that what he wants? He wrote, "the [existence] of any
file that maches a wildcard." He's obviously talking about existing
files.

Besides, what else could expanding a wildcard mean except enumerating
every possible match?

--
Erik Max Francis && && http://www.alcyone.com/max/
__ San Jose, CA, USA && 37 20 N 121 53 W && &tSftDotIotE
/ \
\__/ Why don't you grow up for crying out loud?
-- Capt. Benjamin "Hawkeye" Pierce

On Mon, 17 Nov 2003 11:09:58 -0800, Erik Max Francis <> wrote:

>Jeremy Fincher wrote:
>
>> Erik Max Francis <> wrote in message
>> news:<>...
>>
>> > Fernando Rodriguez wrote:
>> >
>> > > How can I check for the xistence of any file that matches a
>> > > wildcard?
>> > >
>> > > For example: ppis-*.iss
>> > >
>> > > os.path.exists() doesn't expand the wildcard...
>> >
>> > Use glob.glob and then os.path.exists in a loop.
>>
>> Wouldn't the glob.glob only return files that actually exist?
>
>Sure, but isn't that what he wants? He wrote, "the [existence] of any
>file that maches a wildcard." He's obviously talking about existing
>files.
>
>Besides, what else could expanding a wildcard mean except enumerating
>every possible match?

Sure, but then what? Maybe the OP was only interested if _any_ matches existed. E.g.,

pattern = 'ppis-*.iss'
if glob.glob(pattern): print 'there is at least one file matching %r'%pattern
else: print 'no files match the %r pattern'%pattern

might be reasonable to do in some context -- without looking at the actual matches, if any.
Maybe this is what Jeremy had in mind (a lot of mind reading around here

Regards,
Bengt Richter

On 17 Nov 2003 22:17:25 GMT, (Bengt Richter) wrote:


>>Besides, what else could expanding a wildcard mean except enumerating
>>every possible match?
>
>Sure, but then what? Maybe the OP was only interested if _any_ matches existed. E.g.,

Yes, that exactly what I wanted, and the glob trick works fine. Thanks.

Erik Max Francis <> wrote in message news:<>...
> Jeremy Fincher wrote:
>
> > Erik Max Francis <> wrote in message
> > news:<>...
> >
> > > Fernando Rodriguez wrote:
> > >
> > > > How can I check for the xistence of any file that matches a
> > > > wildcard?
> > > >
> > > > For example: ppis-*.iss
> > > >
> > > > os.path.exists() doesn't expand the wildcard...
> > >
> > > Use glob.glob and then os.path.exists in a loop.
> >
> > Wouldn't the glob.glob only return files that actually exist?
>
> Sure, but isn't that what he wants? He wrote, "the [existence] of any
> file that maches a wildcard." He's obviously talking about existing
> files.

Ah, you misunderstand; my problem was with the "and then
os.path.exists in a loop" part, since, by definition, the files
returned by glob.glob will exist I was just trying to kindly point
out that os.path.exists isn't needed for his purposes. I guess I
could've been more clear

Jeremy