#!/bin/sh
# remove all music from cache shorter than a specified length

mkdir -p /tmp/music

for NAME in ~/music/*.mp3
do
	if expr `echo \`wc -c $NAME\` | cut -d ' ' -f 1` \< 400000 > /dev/null
        then
                echo remove $NAME : `echo \`wc -c $NAME\` | cut -d ' ' -f 1`
                # and are moved to /tmp, and deleted at next restart
		mv "$NAME" /tmp/music
        fi
done