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Deleting all files in a directory with Python

... Via os.listdir and os.remove: import os filelist = [ f for f in os.listdir(mydir) if f.endswith(".bak") ] for f in filelist: os.remove(os.path.join(mydir, f)) Or via glob.glob: import glob, os, os.path filelist = glob.g...
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Test if executable exists in Python?

... Easiest way I can think of: def which(program): import os def is_exe(fpath): return os.path.isfile(fpath) and os.access(fpath, os.X_OK) fpath, fname = os.path.split(program) if fpath: if is_exe(program): return program else: fo...
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Calculating a directory's size using Python?

... This walks all sub-directories; summing file sizes: import os def get_size(start_path = '.'): total_size = 0 for dirpath, dirnames, filenames in os.walk(start_path): for f in filenames: fp = os.path.join(dirpath, f) # skip if it is symbolic li...
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Using os.walk() to recursively traverse directories in Python

... This will give you the desired result #!/usr/bin/python import os # traverse root directory, and list directories as dirs and files as files for root, dirs, files in os.walk("."): path = root.split(os.sep) print((len(path) - 1) * '---', os.path.basename(root)) for file in fi...
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os.walk without digging into directories below

How do I limit os.walk to only return files in the directory I provide it? 20 Answers ...
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How can I safely create a nested directory?

What is the most elegant way to check if the directory a file is going to be written to exists, and if not, create the directory using Python? Here is what I tried: ...
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How do I get the path and name of the file that is currently executing?

... p1.py: execfile("p2.py") p2.py: import inspect, os print (inspect.getfile(inspect.currentframe()) # script filename (usually with path) print (os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))) # script directory ...
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Recursive sub folder search and return files in a list python

... are supplied so you can prune it if there are folders that you don't wish os.walk to recurse into. import os result = [os.path.join(dp, f) for dp, dn, filenames in os.walk(PATH) for f in filenames if os.path.splitext(f)[1] == '.txt'] Edit: After the latest downvote, it occurred to me that glob ...
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How do I programmatically determine operating system in Java?

I would like to determine the operating system of the host that my Java program is running programmatically (for example: I would like to be able to load different properties based on whether I am on a Windows or Unix platform). What is the safest way to do this with 100% reliability? ...
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How can I iterate over files in a given directory?

... Original answer: import os for filename in os.listdir(directory): if filename.endswith(".asm") or filename.endswith(".py"): # print(os.path.join(directory, filename)) continue else: continue Python 3.6 version of ...