Re: file filtering

[Peter Tury]

Kevin Rodgers <kevin.d.rodgers@gmail.com> writes:

> Peter Tury wrote:
>>
>> OK, I wasn't clear enough: I can find it _now_ = when I know its name
>> (C-h f is easy enough). But I couldn't find it when I just browsed the
>> info (C-h i): neither in Emacs nor in Elisp parts. It is neither
>> mentioned in thier indices.

Now I see indices are built up in a bit different manner than I thought...

>> Now I looked into replace.el and saw it _is_ part of GNU Emacs. So its
>> documentation should be reachable from C-h i, shouldn't it? Or: how
>> can I find a function if I don't know its name, just the functionality
>> I need? (C-h a seems to be a bit weak here for me.)
>
> keep-lines is documented under the Searching and Replacement node of the
> Emacs manual, in particular its Other Repeating Search subnode.  The
> other commands documented in the same node are occur,
> list-matching-lines, multi-occur, multi-occur-in-matching-buffers,
> how-many, and flush-lines.

Thanks!

> Perhaps a "filtering buffer contents" link in the Concept Index to the
> Other Repeating Search node would be useful -- would that have helped
> you find keep-lines?

Yes, I think so. Especially since nothing is in the index for "filter". But 
this is me...