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

[Eric F Crist]

That's great!  One question, how do I make it highlight the entire line,
rather than the searched-for text?

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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