1*23f24377SWarner Losh {$1=$2; print} 2*23f24377SWarner Losh 3*23f24377SWarner Losh # this should print nothing for an empty input line 4*23f24377SWarner Losh # since it has only referred to $2, not created it, 5*23f24377SWarner Losh # and thus only $1 exists (and it's null). 6*23f24377SWarner Losh 7*23f24377SWarner Losh # is this right??? 8