HOW2 search/grep multiple strings ?
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From: Grant on 8 Aug 2010 10:04 On Sun, 8 Aug 2010 05:05:03 -0700, William Hunt <wjh(a)prv8.net> wrote: >On Sun, 8 Aug 2010, Grant wrote: >> On Sun, 8 Aug 2010 03:03:34 +0000 (UTC), no.top.post(a)gmail.com wrote: >> >[...] >> >and then what's the utility to: >> ><list the common lines of: fishFile, dogFile, katFile> ?? >> >> If you want lines that contain all the names just run grep in series >> to AND them, rather than the examples above which OR them. >> >> So is it find ... fish | grep dog | grep kat you're after? >> Filters in sequence, no intermediate files. >> >> Otherwise, express your homework a bit better ;) >> Grant. > > >(sigh) Indeed :( > >find ... | awk '/dog/&&/cat/&&/fish/' Oh joy, focus on electronics for a while and forget the simple things ;) > >:*) > Grant.
From: Eef Hartman on 8 Aug 2010 10:21 In alt.os.linux.slackware no.top.post(a)gmail.com wrote: > *MULTIPLE* strings are not *alternative* strings. When they're in different expressions: yes they ARE. So mutiple -e options ARE alternatives in sed/grep etc. -- ****************************************************************** ** Eef Hartman, Delft University of Technology, dept. SSC/ICT ** ** e-mail: E.J.M.Hartman(a)tudelft.nl - phone: +31-15-27 82525 ** ******************************************************************
From: William Hunt on 8 Aug 2010 14:51 On Mon, 9 Aug 2010, Grant wrote: > On Sun, 8 Aug 2010 05:05:03 -0700, William Hunt <wjh(a)prv8.net> wrote: >> On Sun, 8 Aug 2010, Grant wrote: >>> On Sun, 8 Aug 2010 03:03:34 +0000 (UTC), no.top.post(a)gmail.com wrote: >> [...] >>>>and then what's the utility to: [...] >>> >>> Otherwise, express your homework a bit better ;) >>> Grant. >> >> >>(sigh) > > Indeed :( uhhhh, sorry, uh, what was the question, again ? >> >>find ... | awk '/dog/&&/cat/&&/fish/' > > Oh joy, focus on electronics for a while and forget the simple things ;) my awk expression doesn't handle a whole-word requirement, if, uhh, one does exists. idunno, in that case, maybe split($0,A) and then if ( "cat" in A) && ( "dog" in A) && ("fish" in A) ... nevermind. :*) -- William Hunt, Portland Oregon USA
From: Grant on 9 Aug 2010 04:25
On Sun, 8 Aug 2010 11:51:11 -0700, William Hunt <wjh(a)prv8.net> wrote: >On Mon, 9 Aug 2010, Grant wrote: >> On Sun, 8 Aug 2010 05:05:03 -0700, William Hunt <wjh(a)prv8.net> wrote: >>> On Sun, 8 Aug 2010, Grant wrote: >>>> On Sun, 8 Aug 2010 03:03:34 +0000 (UTC), no.top.post(a)gmail.com wrote: >>> [...] >>>>>and then what's the utility to: >[...] >>>> >>>> Otherwise, express your homework a bit better ;) >>>> Grant. >>> >>> >>>(sigh) >> >> Indeed :( > >uhhhh, sorry, uh, what was the question, again ? > > >>> >>>find ... | awk '/dog/&&/cat/&&/fish/' >> >> Oh joy, focus on electronics for a while and forget the simple things ;) > >my awk expression doesn't handle a whole-word requirement, >if, uhh, one does exists. > >idunno, in that case, maybe split($0,A) and then >if ( "cat" in A) && ( "dog" in A) && ("fish" in A) ... >nevermind. :*) I tend to build up expressions on the command line, optimise if I'm coding -- different mindset when I have an editor open and the pretty syntax highlighting. But, OP presented sloppy query, deserves sloppy answers? Grant. |