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I have a directory in which are listed some .py files and some .py.bak files. I want to delete the .py files and restore the backup file renaming them *.py. Is there a shell script that can do this?

Thank you,
rubik

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1  
I don't mean to sound like a busybody, but it sounds like something you should be using version control for. –  Faheem Mitha Mar 21 '11 at 18:02

1 Answer 1

up vote 2 down vote accepted

This should do. Be sure to test on files you wouldn't mind losing.

#!/bin/bash

rm -f *.py
for fn in *.py.bak
do
  mv "${fn}" "${fn%%.bak}"
done
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