1*23f24377SWarner Losh 2*23f24377SWarner Losholdawk=${oldawk-awk} 3*23f24377SWarner Loshawk=${awk-../a.out} 4*23f24377SWarner Losh 5*23f24377SWarner Loshecho oldawk=$oldawk, awk=$awk 6*23f24377SWarner Losh 7*23f24377SWarner Loshfor i in T.* 8*23f24377SWarner Loshdo 9*23f24377SWarner Losh $i 10*23f24377SWarner Loshdone 11