Audit and remove the packages on an Arch system (yaourt needed)

arch-audit.sh

#! /usr/bin/env bash

set -e

blue=$(tput setaf 4)
normal=$(tput sgr0)

yaourt -Qqe > packages.txt
cp packages.txt wanted.txt

echo "Delete the packages from the list in order to mark them for removal..."
sleep 4
vim wanted.txt

comm -23 <(sort packages.txt) <(sort wanted.txt) > to_delete.txt

cat to_delete.txt
printf "${blue}Really delete these packages? Y or N.${normal} "
read USER_CONT

if [ "$USER_CONT" == "y" ] || [ "$USER_CONT" == "Y" ]
then
    yaourt -Rsn - < to_delete.txt
fi

rm packages.txt wanted.txt to_delete.txt