Refresh Chrome every 120 seconds and take screenshot

refresh_and_screenshot.sh

#!/bin/sh
exec <"$0" || exit; read v; read v; exec /usr/bin/osascript - "$@"; exit
# The line above allows the rest of the file to be written in plain AppleScript.

repeat 99999999 times
  tell application "Google Chrome"
    activate
    tell application "System Events"
      tell process "Google Chrome"
        keystroke "r" using {command down, shift down}
      end tell
    end tell
  end tell

  delay 10
  do shell script ("screencapture ~/Desktop/$(date +%Y-%m-%dT%H%M).png")
  delay 120
end

tell application "Terminal" to activate