Edit encrypted by password text file

vic

#!/usr/bin/bash
echo -n 'Password: '
read -s password
plain=$(mktemp)
openssl enc -aes-256-cbc -pbkdf2 -iter 100000 -pass pass:$password -d <$1 >$plain 2>/dev/null
prev=$(mktemp)
cp $plain $prev
vi $plain
if ! (cmp -s $prev $plain); then
  openssl enc -aes-256-cbc -pbkdf2 -iter 100000 -pass pass:$password <$plain >$1 2>/dev/null
fi
rm -rf $plain
rm -rf $prev