On Wed, Mar 11, 2009 at 09:50:18PM -0400, m...@ice.filescope.com wrote:
>               rm 2>&1 | grep --color op
>               rm |& grep --color op
> 
>       Notice that they are behaving differently.

Confirmed in 4.0.0 and 4.0.10:

imadev:~$ rm 2>&1 | tr '[:lower:]' '[:upper:]'
USAGE: RM [-RFIR] FILE ...
imadev:~$ rm |& tr '[:lower:]' '[:upper:]'
Usage: rm [-Rfir] file ...


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