Create screenshot every few seconds. At the end of day, combine into one video screencast

make-screenshots.sh

#!/bin/bash

SLEEPTIME=5
RUNTIME_IN_SECONDS=28800
COUNTER=0
DAYSTAMP=$(date +%Y-%m-%d)

while [ "$COUNTER" -lt "$RUNTIME_IN_SECONDS" ]
do
	TIMESTAMP=$(date +%Y-%m-%d-%H-%M-%S)
	echo $TIMESTAMP
	scrot ~/Pictures/screenshots/$TIMESTAMP.jpg
	sleep $SLEEPTIME
	COUNTER=$[ $COUNTER + $SLEEPTIME ]

	#quit after 6pm
	if test $(date +%H) -gt 18; then echo After 6pm; fi
done

echo now running "ffmpeg -r 1 -pattern_type glob  -i '$DAYSTAMP*.jpg' -c:v libx264  $DAYSTAMP.mp4"
ffmpeg -r 1 -pattern_type glob  -i "$DAYSTAMP*.jpg" -c:v libx264  $DAYSTAMP.mp4
echo now running "rm $DAYSTAMP*.jpg"
rm $DAYSTAMP*.jpg