[CentOS] More awk help
Les Mikesell
lesmikesell at gmail.comThu Jun 25 19:06:39 UTC 2009
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David G. Miller wrote: > >> Hey guys, >> Looking through my book and the web and I am not having any success >> returning data from a search. >> >> I need to have awk search for a string and print the first field which >> is no problem but now its returning two options as the input data has >> changed. The change is reliable, I only want the first field if it ends >> in a regex that I have, and I only want what that regex matches to be >> printed. Is it possible to do this in a one liner so I don't need to >> construct an awk script? >> >> I suppose I could pipe it into grep and cut but that's not very sexy :) >> >> Any ideas? >> >> Thanks! >> jlc >> > > Being an old perl hacker I have to at least suggest doing whatever you're > attempting in perl. perl gives you much more powerful and flexible regular > expression processing. It also makes it really simple to pull out whatever > matched within the RE. This case is probably simple enough for sed, but in general I agree that if you need awk you probably might as well use perl which can also probably do a better job than the rest of the shell script that is likely surrounding this operation. -- Les Mikesell lesmikesell at gmail.com
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