Some stupid shit

dotheshining.zsh

#!/usr/bin/env zsh

randcase() {
	local line ch z=$RANDOM
	while read line; do
		if [[ $z -lt 10000 ]]; then
			echo ${(U)line}
		elif [[ $z -lt 20000 ]]; then
			echo ${(L)line}
		else
			for ch in "${(s::)line}"
			do
				[[ $RANDOM -lt 16384 ]] && ch=${(U)ch}  || ch=${(L)ch}
				echo -n $ch
			done
			echo
		fi
	done
}

# $1 = how many columns of text per line
# $2 = text to print
dotheshining() {
	for i in {1..$1}; do
		echo -n "$(randcase <<< $2)  "
		: $RANDOM # Rotate $RANDOM for subshells
	done
	echo
}

# $2 = which line to print
case "${2:-simpsons}" in
	shining) line="All work and no play makes Jack a dull boy" ;;
	simpsons) line="No TV and no beer make Homer go crazy" ;;
	*) line="$2" ;;
esac

while true; do dotheshining ${1:-4} "$line"; done