Multi-pattern string replacement and file renaming tool. More information: https://github.com/jlevy/repren.
repren --dry-run --rename --literal --from 'find_string' --to 'replacement_string' *.png
repren --rename --dry-run --from 'regular_expression' --to 'replacement_string' *.jpg *.jpeg
repren --from '([0-9]+) example_string' --to 'replacement_string \1' *.csv
repren --patterns path/to/patfile.ext --full *.txt
repren --rename --insensitive --patterns path/to/patfile.ext *