File existence check with partial filename

Mon Mar 15 11:44:43 EDT 2010

Lan Qing wrote:
> Or use the regular module:
>> import re
> import os
>> for filename in os.listdir('.'):
> if re.match("*HV*", filename):
> # do something with the file
>The regular expression should be ".*HV.*", although:
 re.search("HV", filename)
would be better and:
 "HV" in filename.upper()
would be even better, as Alf posted.
> On Mon, Mar 15, 2010 at 12:24 PM, Alf P. Steinbach <alfps at start.no 
> <mailto:alfps at start.no>> wrote:
>> * Sang-Ho Yun:
>> I learned that I can check the existence of a file using
> os.path.isfile("filename").
>> What if I need to check if there is a file that contains "HV" in the
> filename? What should I do?
>>> <code>
> from __future__ import print_function
> import os
>> for filename in os.listdir( "." ):
> if "HV" in filename.upper():
> print( filename )
> </code>
>>> Cheers & hth.,
>> - Alf
>> -- 
> http://mail.python.org/mailman/listinfo/python-list
>>