Python's subprocess module returning different results from Unix shell

Question

I\'m trying to get a list of the CSV files in a directory with python. This is really easy within unix:

ls -l *.csv

And, predictably, I get

Answer 1

Why not use glob instead? It's going to be faster than "shelling out"!

import glob
glob.glob('*.csv')

This gives you just the names, not all the extra info ls -l supplies, though you can get extra info with os.stat calls on files of interest.

If you really must use ls -l, I think you want to pass it as a string for the shell to do the needed star-expansion:

proc = sp.Popen('ls -l *.csv', shell=True, stdout=sp.PIPE)