#!/bin/bash -u
#   $0
# -Ian! D. Allen - idallen@idallen.ca - www.idallen.com

sgr0=$( tput sgr0 ) || exit $?
# this outputs nothing if terminal doesn't do colour; let it pass
cyan=$( tput setaf 6 ) # || exit $?

while : ; do
	fortune=$( fortune )
	len=${#fortune}
	# find the length without any spaces
	f2=$( printf "%s" "$fortune" | tr -d '[:space:]' )
	len2=${#f2}
	# Sleep relative to the length of the text.
	# The -w option of fortune might also do something like this.
	sleep=$(( (len2+11) / 12 + 3 ))
        msg="$cyan                                      length $len ($len2) -> sleep $sleep seconds$sgr0"
        printf "%s\n%s\n" "$fortune" "$msg"
        sleep $sleep
done