On 01/22/12 13:26, Roy Smith wrote: >> If you wanted to do it in one pass using standard unix >> tools, you can use: >> >> sed -n -e'/^[0-2]/w first-three.txt' -e'/^[34]/w >> next-two.txt' -e'/^[5-7]/w next-three.txt' >> > I stand humbled. In all likelyhood, you stand *younger*, not so much humbled ;-) -tkc