Useful Bash and Git Commands

bash-git-commands.sh

# Rename File Extensions
# https://www.maketecheasier.com/rename-files-in-linux/
brew install rename;
rename 's/.m4a/.mp3/' * # rename all .m4a files to .mp3 (don't forget to include the asteriks '*')

# delete all files with a certain extension
# https://askubuntu.com/questions/377438/how-can-i-recursively-delete-all-files-of-a-specific-extension-in-the-current-di
find . -name "*.bak" -type f #first check the files that will be deleted
find . -name "*.bak" -type f -delete # then you can delete them

# UNDO a commit
git reset --soft HEAD~1
git reset --hard HEAD~1