Delete merged git branches

deleteMergedGitBranches.sh

#!/usr/bin/env bash

git checkout master
git fetch -p
echo ""
echo "THIS SCRIPT WILL DELETE THESE BRANCHES:"
echo "---------------------------------------"
git branch --merged master | grep -v "\*"

echo ""
echo -n "Do you want to proceed (y/n)?"
read answer
if echo "$answer" | grep -iq "^y" ;then
    git branch --merged master | grep -v "\*" | xargs -n 1 git push --delete origin
    git branch --merged master | grep -v "\*" | xargs -n 1 git branch -d
    echo ""
    echo "Enjoy your new cleanliness!"
else
    echo ""
    echo "Fine, clean it yourself"
fi