Date: Thu, 7 Jun 2007 00:36:40 +0800 From: Zhang Weiwu <zhangweiwu@realss.com> To: "Eric F Crist" <mnslinky@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: share my experience: highlight parts of a text file that matches a regular expression Message-ID: <20070607003640.28881437@eula> In-Reply-To: <905f1be0706060916u19f4c5coc8eb4b60521c8095@mail.gmail.com> References: <1181141423.18606.91.camel@joe.realss.com> <905f1be0706060916u19f4c5coc8eb4b60521c8095@mail.gmail.com>
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=E4=BA=8E Wed, 6 Jun 2007 11:16:17 -0500 "Eric F Crist" <mnslinky@gmail.com> =E5=86=99=E9=81=93: > That's great! One question, how do I make it highlight the entire > line, rather than the searched-for text? Guess would be: $ my_app | grep --color=3Dauto -e '.*regexp.*' -e '$' Add '.*' before and after your regular expression >=20 > Thanks! >=20 > Eric Crist >=20 >=20 > On 6/6/07, Zhang Weiwu <zhangweiwu@realss.com> wrote: > > > > Dear list > > > > I'd like to highlight part of output of one application that > > matches a regular expression. First I thought this is simple: > > > > $ my_app | grep --color=3Dauto 'regexp' > > > > This method have a big problem that lines doesn't match regexp is > > not displayed, in my case I want all output of my_app being > > displayed, only the matching part highlighted. > > > > First I thought grep might have a parameter to output everything it > > receive, and it seems it doesn't. And I discovered I can use '-e' > > parameter for this purpose: > > > > $ my_app | grep --color=3Dauto -e 'regexp' -e '$' > > > > The second -e makes all line matched. > > > > Maybe useful for some newbies. > > -- > > Zhang Weiwu > > Real Softservice > > http://www.realss.com > > +86 592 2091112 > > > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to " > > freebsd-questions-unsubscribe@freebsd.org" > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org"
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