#!/bin/sh

dir="$1"
if [ $# -eq 0 ]; then
    [ ! -d ~/Desktop/ss ] && mkdir -p ~/Desktop/ss
    dir=~/Desktop/ss
fi

# Start taking screenshots every N seconds, until this script is called again
if [ ! -f ~/.ss ]; then
    echo "Timelapse, on in 3..."
    touch ~/.ss
    sleep 3
    i=1;while [ -f ~/.ss ];do screencapture -t jpg -x ~/Desktop/ss/$i.jpg; let i++;sleep 5; done &
else
    echo "Deactivating timelapse!"
    rm ~/.ss
fi