while true do
    term.clear()
    term.redirect( peripheral.wrap( "bottom" ) )
    term.clear()
    term.setBackgroundColour( colours.black )
    _, s = os.pullEvent( "disk" )
    if fs.exists("disk/.details") then
        file = fs.open( "disk/.details", "r" ).readAll()
        if file == "95a230a17c02d52e2bf7ca45664e1b4f0c68c05fe2f79cd9d1d843f3c40b4020" then
            term.setBackgroundColour( colours.green )
            disk.eject( "left" )
            sleep( 2 )
            term.setBackgroundColour( colours.black )
        else
            term.setBackgroundColour( colours.red )
            disk.eject( "left" )
            sleep( 2 )
            term.setBackgroundColour( colours.black )
        end
    else
        term.setBackgroundColour( colours.red )
        disk.eject( "left" )
        sleep( 2 )
        term.setBackgroundColour( colours.black )
    end
end