find

[bluesky]

I like to do a search for a file(ex: apache) in all the directories but excluding the /usr/portage and the /var. Si there a simple way to do it?
I was thinking of find with the option -prune but it didn't seem to work.
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bluesky

"free as the wind"

[mooman]

Personally (and this may not be the best way, but it's how I do it), I tend to rely on locate and grep a lot. One handy flag to remember in grep is -v which excludes a pattern.

So my approach to your scenario would have been:
locate apache | grep -v portage | grep -v var | more

Yeah, I know you can use regexs to combine the 'portage' and 'var' bits, but this is my brute force, no thinking required approach...

Now read the articles that follow for the right way to do it.
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Linux user off and on since circa 1995

[some_bob]

you could try something like:

find . -path './usr/portage' -prune -o -name apache

This would exclude /usr/portage. I don't think you can have more than a single exclude path in a single statement so you might have to chain them together. I could be wrong though... try experimenting.