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@LeiHao0
Last active August 7, 2020 03:17
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renameExt.py
# usage
# py renameExt.py folder oldExt newExt
import os
import sys
folder = sys.argv[1]
oldExt = f".{sys.argv[2]}"
newExt = f".{sys.argv[3]}"
print(folder, oldExt, newExt)
for (dirpath, dirnames, filenames) in os.walk(folder):
for filename in filenames:
pre, ext = os.path.splitext(str(filename))
if ext == oldExt:
oriFullPath = os.sep.join([dirpath, filename])
newFullPath = os.sep.join([dirpath, pre + newExt])
print(oriFullPath, ' -> ', newFullPath)
os.rename(oriFullPath, newFullPath)
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