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By putting the "-not \( -name .svn -prune \)" in the very front of the "find" command, you eliminate the .svn directories in your find command itself. No need to grep them out.
You can even create an alias for this command:
alias svn_find="find . -not \( -name .svn -prune \)"
Now you can do things like
svn_find -mtime -3
Unless you have files that include 'svn' in them, this should provide enough information to be useful. If you need to be certain, add the leading dot in the search pattern
Variant of find grep that ignores files with .svn in the name. Useful for searching through a local repository of source code.
If you can do better, submit your command here.
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FYI, ack does this by default, not by magical use of the -a or -i flags. To search text (and not binary) files leave off the -a.
I never implied any magical use of the -a or -i flags, but in order to search through all files ignoring .svn you must use the -a flag. I only added the -i switch to make the search case-insensitive.
What I am saying is that the -a and -i options are not essential to "Search through files, ignoring .svn". ack focuses on text files since it can search only certain text filetypes (perl/C/shell/etc.), so your usage of -a to throw in binary files as well seemed weird to me and deserved some explanation.