ARGS=
GOOD=0
EVALFN=1

# default output is restricted to this tty
MYTTY=`tty`

evalfn () {
  PSTTY=`awk '!/TTY/{print $2}' < stdout | uniq`
  if [ /dev/$PSTTY != $MYTTY ] ; then
    return 1
  fi
  return 0
}
