automatic ssh tunnel thing

#!/bin/bash
createTunnel() {
  /usr/bin/ssh -N -R 2222:localhost:22 [email protected]
  if [[ $? -eq 0 ]]; then
    echo successful tunnel to mniip.com!
  else
    echo exit code $? - error tunnelling to mniip.com
  fi
}
/bin/pidof ssh
if [[ $? -ne 0 ]]; then
  echo tunnel was down, reopening
  createTunnel
fi