How to Write grep in Emacs Lisp (tutorial)

Petter Gustad newsmailcomp6 at
Tue Feb 8 07:51:54 EST 2011

Xah Lee <xahlee at> writes:

> problem with find xargs is that they spawn grep for each file, which
> becomes too slow to be usable.

find . -maxdepth 2 -name '*.html -print0 | xargs -0 grep whatever

will call grep with a list of filenames given by find, only a single
grep process will run. 

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