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RE: highlight regular expression in grep window
From: |
Drew Adams |
Subject: |
RE: highlight regular expression in grep window |
Date: |
Sat, 8 Feb 2014 14:50:18 -0800 (PST) |
> I get this:
> grep -nH -e WARN *.* /dev/null
> grep: illegal option -- H
> grep: illegal option -- e
> Usage: grep -hblcnsviw pattern file . . .
>
> Is that because I am running under Solaris? Which doesn't recognize
> the --color option for grep command.
Dunno; you tell me. See the doc string for option
`grep-highlight-matches'. I'm no expert on different OS `grep'
commands.
You don't mention your Emacs version. If your version of `grep'
won't do the highlighting, you can try this (untested - this is
really for older Emacs versions, but I think it should work OK):
Do not load library grep.el or grep+.el. Instead, load these
libraries in this order: compile-20.el, compile.el, compile+20.el.
The first and third are from Emacs Wiki. They provide an
older version of what grep+.el provides. They do the regexp
highlighting without depending on the `grep' OS command for it.
No, they won't give you everything that the latest and greatest
Emacs code will give you - they are what I use for Emacs 20 and
21. But they should at least let you use `M-x grep' with
highlighting of the regexp matches in buffer *grep* (and more).