#! /bin/sh

if [ -z "$3" ]; then
   echo "Usage: $0 input.avi time1 time2"
   exit 1
fi

mencoder -endpos "$2"  -ovc copy -oac copy -o 1.avi "$1" &&
exec mencoder -ss "$3" -ovc copy -oac copy -o 2.avi "$1"