#!/bin/bash if [ -z "${1}" ] || [ ! -r "${1}" ]; then echo "Usage: `basename "${0}"` input" 1>&2 exit 1 fi cat "${1}" | \ grep 'href="/watch?v=[a-zA-Z0-9_-]*"' | \ sed 's%^.*href="/watch?v=\([a-zA-Z0-9_-]*\)".*$%\1%' | \ uniq | \ tail -r | \ nl -n ln | \ sed 's%^\([0-9]*\) %\1 =>%'
