[sr #105945] Add C compiler like output to grep so that emacs 'next-error function works on grep output

[anonymous]

URL:
  <http://savannah.gnu.org/support/?105945>

                 Summary: Add C compiler like output to grep so that emacs
'next-error function works on grep output
                 Project: grep
            Submitted by: None
            Submitted on: Thursday 07/19/2007 at 23:10 UTC
                Category: None
                Priority: 5 - Normal
                Severity: 1 - Wish
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
        Operating System: None

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Details:

Suggested functionality: output the grep|fgrep|egrep output in a format
similar to warnings or error messages from the C compiler so that emacs can
parse.

This lets you do fun stuff like:
    find . -type -f -print | xargs grep --EMACSOUT PATTERN
Such a grep would show all the file and the corresponding lines
that match PATTERN. (You would obviously want a better switch name.)  I'm
betting this is reasonably simple modification.

If you run this from the 'compile command under emacs, you can then use the
'next-error function to hop from pattern match to pattern match. Emacs loads
the files and jumps to each line as required. Combined with keyboard macros,
you can do powerful, interactive edits quickly. Great for essentially any
kind of text grep'ing and editing.

I built a shell wrapper to do this about 20 years ago (and I still use it).
Exceedingly useful for emacs users. 

-Scott




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