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Regular expressions bulk rename tool for multiple files

Project description


Regular expressions bulk rename tool for multiple files

GitHub version PyPI version Build Status codecov


enter regex-rename for help:

$ regex-rename 
regex-rename v0.1.0 (nuclear v1.1.5) - Regular expressions bulk rename tool for multiple files


   PATTERN       - Regex pattern to match filenames
   [REPLACEMENT] - Replacement regex pattern for renamed files. Use \1, \2 syntax to make use of matched groups

  --version                   - Print version information and exit
  -h, --help [SUBCOMMANDS...] - Display this help and exit
  --rename                    - Does actual renaming files instead of just testing replacement pattern
  --full                      - Enforces matching full filename against pattern


pip3 install regex-rename


  • Python 3.6 (or newer) with pip


Imagine you've got audio files awfully named like this:

  • Stanis▯aw+Lem+Niezwyci▯▯ony+(0001).mp3
  • Stanis▯aw+Lem+Niezwyci▯▯ony+(0002).mp3
  • ...
  • Stanis▯aw+Lem+Niezwyci▯▯ony+(0051).mp3

and you want to rename all of them in manner 01-Niezwyciężony.mp3 (extracting number from the end and put it at the beginning and shortening it to 2 digits by the way).

Step 1: Testing matching pattern

Our Regex pattern to match those files and extract 2 digit number should be like this: .+\(00(\d{2})\).+

Let's test matching pattern:
Usage example
Notice that regex groups are extracted in logs.

Step 2: Testing replacement pattern

We'd like to replace all files to a pattern: \1-Niezwyciężony.mp3 (\1 is a first extracted group from matching pattern)

Let's test it:
Usage example

Step 3: Actual renaming

All above commands were just testing our patterns so that we could experiment with regex patterns. Only when we're sure that everything is matched correctly, we can use --rename flag which does the actual renaming:
Usage example

After that files are named properly:

  • 01-Niezwyciężony.mp3
  • 02-Niezwyciężony.mp3
  • ...
  • 51-Niezwyciężony.mp3

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