> If this > is the case, how can I redirect cmd1's stderr to cmd3's stdin instead > of cmd2's? or both?
It's a pipe_line_, not a directed graph. You could write a wrapper to do what you want quite easily, but expecting a simple, generic shell notation to do it is asking a bit much. At least, I don't think I'd try to wrap my brain around this, I'd write a ten line C program for the specific requirement. ++L
