CODEWITHSUNDEEP
python
user4586104
user4586104

Reputation: 3

Looping through files error

I have a loop supposed to iterate through a list of files 

import os
for fil in os.listdir('dir/'):
    with open(fil) as f:
        for line in f:
            #process line

My files contain text but they have weird extensions such as filea.234234 fileb.34234

When I run the script I get the error 

IOError: [Errno 2] No such file or directory: 'filea.234234'

What is the cause of this error?

ps. The are way too many files to rename them if that is the cause

Upvotes: 0

Views: 65

Answers (2)

Iguananaut
Iguananaut

Reputation: 23296

You can also use the glob module:

import glob
import os

for filename in glob.glob(os.path.join('dir', '*')):
    # etc...

In either case you might want to make sure the filename is not a directory before trying to open it, depending on whether or not you can be sure the directory only contains files.

Upvotes: 0

Stefano Sanfilippo
Stefano Sanfilippo

Reputation: 33046

Those files are located under dir/, not in the working directory. You are trying to open ./filea.234234, while you should be opening dir/filea.234234. Fix your code accordingly:

import os

for fil in os.listdir('dir/'):
    with open(os.path.join("dir", fil)) as f:
        for line in f:
            # ...

Upvotes: 4

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