ruby sendkeys during hours

while.rb

current_hour = Time.now.hour
i = 0
while current_hour < 17 && current_hour >= 8
  # Using system command with a simple command-line utility
  if RUBY_PLATFORM =~ /mswin|mingw|windows/
    # For Windows using PowerShell SendKeys
    system('powershell', '-Command', '(New-Object -ComObject WScript.Shell).SendKeys("{SCROLLLOCK}")')
  else
    # For Linux using xdotool (needs to be installed)
    system('xdotool key Scroll_Lock')
  end
  
  print "#{rand(1...1000000) + i } "
  i += 1
  sleep 590
  current_hour = Time.now.hour
end