confirm_execution() { echo -n "Execute $BASH_COMMAND? [y/N] " read response if [[ $response != [yY] ]]; then echo "Skipped." return 1 fi }

draw_heart() { cat << EOF <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="100" height="100"> <path fill="red" d="M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z"/> </svg> EOF }

trap 'confirm_execution' DEBUG set -x draw_heart set +x