Automatically Capture of Screenshots for Mac

capture.sh

#!/bin/bash

INTERVAL=60 #Interval of Capture Screen(seconds)
DIRNAME="${HOME}/Desktop/capture/"

if [ ! -e ${DIRNAME} ]; then
 	mkdir ${DIRNAME}
fi

while true
do	
	DATE=`date +%Y%m%d_%H%M%S`
	FILENAME0="${DIRNAME}${DATE}_00.png"
  	FILENAME1="${DIRNAME}${DATE}_01.png"
  	FILENAME2="${DIRNAME}${DATE}_02.png"
  	screencapture ${FILENAME0} ${FILENAME1} ${FILENAME2}
  	echo "capture at ${DATE}"
 	sleep $INTERVAL
done