Sometimes I want to insert something in a pipeline for reporting or some other secondary use. It might be as simple as wc -l, or a more complex beast like awk or even a python script. It'd be nice to ...
Possible Duplicate: Is there a way in bash to redirect output and still have it go to stdout? Let's say I do: ps -ef | grep httpd to see if apache is running or not, but I also want to ...