1*9a7741deSElliott Hughes{ for (i = 1; length($i) > 0; i++) 2*9a7741deSElliott Hughes print i, $i 3*9a7741deSElliott Hughes} 4*9a7741deSElliott Hughes{ for (i = 1; 5*9a7741deSElliott Hughes length($i) > 0; 6*9a7741deSElliott Hughes i++) 7*9a7741deSElliott Hughes print $i 8*9a7741deSElliott Hughes} 9