TOFU fixed. Please trim your replies to only the required context. On Thursday 13 May 2010 11:34:53 Jozsi Vadkan wrote: > 2010. 05. 13, csütörtök keltezéssel 11.04-kor Boyd Stephen Smith Jr. ezt > > írta: > > On Thursday 13 May 2010 10:49:22 Jozsi Vadkan wrote: > > > 2010. 05. 12, szerda keltezéssel 12.25-kor Hugo Vanwoerkom ezt írta: > > > > Jozsi Vadkan wrote: > > > > > I have a file: > > > > > And i want to only output the first, second, and fourth line to > > > > > another file. > > > > > > > > h...@debian:~$ sed -n '1,2p;4p' file.txt > > > > > > yes, that's the problem, it only outputs the first, second, and fourth > > > line! > > > > I think that perhaps there is some language barrier. > > oops, typo > > I wanted to say that it only outputs the first, second, and fourht line > _once_ > > so the 8th, etc lines are not in the output
Yes. You didn't tell sed to do that. You also didn't tell *us* you wanted that. The key part is "etc." (i.e. "and others"), you never indicated you wanted anything other than the 1st, 2nd, and 4th lines. So, what you want is every Nth line whenever N is a power of two? Sounds like homework. I already did my homework and have my degree; I don't intend to do yours. -- Boyd Stephen Smith Jr. ,= ,-_-. =. b...@iguanasuicide.net ((_/)o o(\_)) ICQ: 514984 YM/AIM: DaTwinkDaddy `-'(. .)`-' http://iguanasuicide.net/ \_/
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