os.path.walk() to get full path of all files

[Tim Golden]

On 17/03/2011 08:58, Laurent Claessens wrote:
>
>> file_list = []
>> for root, _, filenames in os.walk(root_path):
>> for filename in filenames:
>> file_list.append(os.path.join(root, filename))
>
>
> What does the notation "_" stands for ? Is it a sort of /dev/null ?
>
> I know that in the terminal it represents the last printed text.

It's a convention for saying "I don't really care about this
particular value which is returned from that function". You
could, at your whim, use "dontcare" or "x" or whatever.

TJG