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batch_file_rename.py
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batch_file_rename.py
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# batch_file_rename.py
# Created: 6th August 2012
'''
This will batch rename a group of files in a given directory,
once you pass the current and new extensions
'''
__author__ = 'Craig Richards'
__version__ = '1.0'
import os
import sys
def batch_rename(work_dir, old_ext, new_ext):
'''
This will batch rename a group of files in a given directory,
once you pass the current and new extensions
'''
# files = os.listdir(work_dir)
for filename in os.listdir(work_dir):
# Get the file extension
file_ext = os.path.splitext(filename)[1]
# Start of the logic to check the file extensions, if old_ext = file_ext
if old_ext == file_ext:
# Set newfile to be the filename, replaced with the new extension
newfile = filename.replace(old_ext, new_ext)
# Write the files
os.rename(
os.path.join(work_dir, filename),
os.path.join(work_dir, newfile)
)
def main():
'''
This will be called if the script is directly invoked.
'''
# Set the variable work_dir with the first argument passed
work_dir = sys.argv[1]
# Set the variable old_ext with the second argument passed
old_ext = sys.argv[2]
# Set the variable new_ext with the third argument passed
new_ext = sys.argv[3]
batch_rename(work_dir, old_ext, new_ext)
if __name__ == '__main__':
main()