Iterate over local git branches and prompt the user for deletion confirmation.

branchy.sh

#!/bin/bash

CURRENT=$(git branch | grep "*" | cut -c3-)
printf "Your current branch is '$CURRENT'. Will be ignored.\n\n"

BRANCHES=$(git branch | cut -c3-)
BRANCHES=${BRANCHES[@]/$CURRENT}

for BRANCH in ${BRANCHES}
do
  read -r -p "Delete '${BRANCH}' ? " CONFIRMATION
  
  case "$CONFIRMATION" in
    [yY][eE][sS]|[yY]) 
      git branch -D $BRANCH
      ;;
    *)
      printf "No\n"
      ;;
  esac
  printf "\n"
done