Author: adc
random mpd album
==================
$ mpc findadd album "$(mpc list album | sort -R | head -1)"
Explanation: Add a random album to the mpd queue.
timestamp
===========
$ while read -r; do printf '%s %s\n' "$(date '+$H:$M:$S')" "$REPLY"; done
Explanation: Add a timestamp to every line in stdin.