share my experience: highlight parts of a text file that matches a regular expression

[Eric F Crist]

that worked great! thanks!

On 6/6/07, Zhang Weiwu <zhangweiwu at realss.com> wrote:
>
> 于 Wed, 6 Jun 2007 11:16:17 -0500
> "Eric F Crist" <mnslinky at gmail.com> 写道:
>
> > 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=auto -e '.*regexp.*' -e '$'
>
> Add '.*' before and after your regular expression
>
> >
> > Thanks!
> >
> > Eric Crist
> >
> >
> > On 6/6/07, Zhang Weiwu <zhangweiwu at 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=auto '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=auto -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
> > >
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