> But whilst you're waiting, hardlink everything together, and
> patch the differences (patch knows how to break hardlinks).
I don't trust that approach -- too easy to screw up.
> Make a script that cp -lR's the tree to another copy (normally
> takes < 1s), and then remove the other arches. grep that.
That could work for the reference tree.
> cscope with prebuilt indeces on a filtered subset of the files may well do
> better than grep, depending on exactly what you're doing (does 99% of it
> for me).
Have you tried lxr? The website is cool but you really need a local
copy for speed.
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Chuck