screen_capture

#!/bin/bash

X=$1
Y=$2
WIDTH=$3
HEIGHT=$4
DURATION=$5

set -eu 


## install byzanz if it is not installed
if ! hash byzanz-record &> /dev/null; then
  sudo add-apt-repository ppa:fossfreedom/byzanz
  sudo apt-get update && sudo apt-get install byzanz
fi

function usage() {
  echo "usage: $(basename $0) x y width heigth duration"
  echo " x: left hand edge position to record from"
  echo " y: top edge location of the recoding"
  echo " width: number pixels width for the recording"
  echo " height: pixel height of the recording"
  echo " duration: duration in seconds to record for"
  exit 1
}

# being lazy, should check each var, and that they are numeric, give
# message about which ones are bad. For now we do some arg checking..
if [ -z "$DURATION" ]; then
  usage
fi


byzanz-record --duration=$DURATION --x=$X --y=$Y --width=$WIDTH --height=$HEIGHT out.gif