Moreno Baricevic <[EMAIL PROTECTED]> writes:

> My point is that on a populated directory (e.g. /dev on 2.4), filtering
> file types inside ls is faster than doing it externally by parsing a
> huge output.

How much faster?  For example, what is the performance of your
modified version of ls with the -P option, compared to the following
ways of solving the problem without adding options?

time sh -c 'ls -lR -P c /dev' >/tmp/baz
time sh -c 'ls -lR /dev | grep "^c"' >/tmp/foo
time sh -c 'ls -ld $(find /dev -type c -print)' >/tmp/bar


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