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Created Nov 12, 2009
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List all the files in a directory with a one-line list comprehension (Python)
# Use a one-line list comprehension to get all the files in a given directory with a given extension.
import os
dir = '.'
ext = '.txt'
txt_files = [f for f in os.listdir(dir) if os.path.isfile(os.path.join(dir,f)) and f.endswith(ext)]
# os.path.join joins a directory and a filename into a path. You can also split a path name into directory and file with
# os.path.split(), and you can split a filename with extension into filename and extension with os.path.splitext()
# os.path.expandUser() will expand '~' to the absolute path of the current user's home directory on Windows, Linux or Mac
# The rest of the os.path module:
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