#!/bin/bash


export IFS="
"
retcode=0

for macline in `grep -E '^\s+mac: ' examples/*.yml`; do
    if [ "${macline}" != "${macline,,}" ]; then
        mac="$( echo "${macline}" | awk '{ print $2; }')"
        retcode=1
        echo "${mac} has mismatched case -- should be lower."
        sed -i "s/${mac}/${mac,,}/g" examples/*.yml
        echo "Attempted replacement."
    fi
done
exit $retcode