masterdubs

pragma solidity ^0.5.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *

masterdubs

### Keybase proof

I hereby claim:

  * I am masterdubs on github.
  * I am masterdubs (https://keybase.io/masterdubs) on keybase.
  * I have a public key ASCG6QDotyLuG-_wlTf_ArNoOwqKvltePBIiF_jZCJPZRAo

To claim this, I am signing this object:

masterdubs

#!/bin/sh

# Enable and disable HDMI output on the Raspberry Pi

is_off ()
{
	tvservice -s | grep "TV is off" >/dev/null
}

case $1 in