1*9a7741deSElliott Hughes 2*9a7741deSElliott Hughesoldawk=${oldawk-awk} 3*9a7741deSElliott Hughesawk=${awk-../a.out} 4*9a7741deSElliott Hughes 5*9a7741deSElliott Hughesecho oldawk=$oldawk, awk=$awk 6*9a7741deSElliott Hughes 7*9a7741deSElliott Hughesfor i in T.* 8*9a7741deSElliott Hughesdo 9*9a7741deSElliott Hughes $i 10*9a7741deSElliott Hughesdone 11