Iterate through local git branches and choose whether or not to delete

cleanupbranches.sh

#! /usr/bin/env bash

echo "*** CLEAN UP BRANCHES ***"
echo
git branch
echo

branches=$(git branch)

IFS="
"
for b in $branches; do
  if [[ "$b" =~ "main" ]];then continue;fi
  echo -n "Delete$b     (y/n)? "
  read answer

  if [ "$answer" != "${answer#[yY]}" ]; then
    git branch -D "$(echo -n "${b//[[:space:]]/}")"
    echo
  elif [ "$answer" != "${answer#[qQ]}" ]; then
		git branch
		echo
  	exit 0
  else
    echo
  fi
done
git branch
echo