On May 25, 2009, at 04:23, Vladimir Dobriakov wrote:

## load path

explicitly change the load path in the client application
`$:.unshift 'myversion_of_foo/lib'` or put a require statement with
explicit full path.

Now imagine there is a chain of libraries with dependencies
ClientApp -> A -> B -> C -> D and you are going to improve the
library B. Changing require statements leads to a real mess.

I usually use ruby -I for this, rather than editing files. It seems to work alright.
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