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"find" exclude file/folder from search

Hello,

Here's a nice (idiotic) question.

How to exclude a file/folder from search ?

Case:
We have a standard / .
In / there exists /mnt that has several folders, each pointing to different hdd's. If one wants to search the / partition but not descend into /mnt, what would the corect command be ?

Tryed some combination of "-prune, -path" but faile mizerably.

Thx.

Code:

find / -wholename /mnt -prune -o -name my_file -print

See this post for a detailed explanation.

-xdev, or, if you find it more readable, -mount.

Note, this is by side-effect that it doesn't descend into directories in /mnt. What -xdev/-mount do is stop "find" from descending into directories on other filesystems. If you have multiple mount points, you could:

# for dir in `df -l | grep / | cut -d'%' -f2`; do find $dir <options> -xdev; done

It'll launch multiple "find" processes, but it'll effectively exclude all remote filesystems.

You also could figure out a way to negate -fstype arg to "find", but I couldn't seem to locate anything on that.