os.listdir(<file specifications>) doesn't work ??

[Steven Howe]

Stef Mientki wrote:
> hello,
>
> I want to find all files with the extension "*.txt".
>  From the examples in "Learning Python, Lutz and Asher" and
> from the website I see examples where you also may specify a wildcard filegroup.
>
> But when I try this
>    files = os.listdir('D:\\akto_yk\\yk_controle\\*.txt')
>
> I get an error message
>
>    WindowsError: [Errno 123] The filename, directory name, or volume label syntax is incorrect: 
>        'D:\\akto_yk\\yk_controle\\*.txt/*.*'	
>
> What am I doing wrong ?
>
> thanks,
> Stef Mientki		
>   
Hi Stef,
Like that name; from a passing thought, I think the os.listdir command 
will resolve the slash/backslash. You might try using the unix method 
which I think would be 'd:/akto_yk/yk_controls/*.txt'. I'm sorry, but I 
can't test this knowledge, as I don't have access to Windows.

Alternatively you could use glob.glob, after changing directory ( via 
os.chdir) to get a listing.

    from os import chdir, getcwd
    from glob import glob

    CWD = getcwd()
    chdir( 'd:/akto_yk/yk_controls')
    filelist = glob.glob('*.txt')
    chdir( CWD )


Steven Howe

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