timelapse.sh

#!/bin/sh
mkdir $1
i=0
t=-1
if [ $# -eq 3 ]
	then
	t=$3
	fi
while [ $i -ne $t ]
	do
	sleep $2
	a=`date +%Y%m%d_%H%M%S`
	#a=$i
	scrot $1/$a.png
	i=$[$i+1]
	done

video.sh

#!/bin/sh
mencoder mf://$1/*.png -mf w=$2:h=$3:fps=$4:type=png -ovc lavc -lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -o $5