commandlinefu.com is the place to record those command-line gems that you return to again and again.
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Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:
Consider using this cmd when:
1. You are planning to traverse a big directory.
2. There is a subdir you don't want find to decend to. (entirely ignore)
3. You don't want find to decend to any mounted filesystems under this dir.
* The -xdev flag tells find do not go to other filesystems.
* -path ./junk_dir -prune is the pattern to ignore ./junk_dir entirely.
* The rest is the typical search and print.
To ignore multiple subdirs, you can just iterate the pattern, e.g.
find . -path ./junk1 -prune -o -path ./junk2 -prune ...
If you do want to include other filesystems, then remove -xdev flag.
If you want to search files, then change -type d to -type f.