1*9a7741deSElliott Hughes{$0 = $1; print; print NF, $0; print $2} 2*9a7741deSElliott Hughes{$(0) = $1; print; print NF, $0; print $2} 3*9a7741deSElliott Hughes{ i = 1; $(i) = $i+1; print } 4