Or you can: - Get the best of all worlds, not have to change anything, and emit the word "error:' in another color for interactive users.
Putting the output in a logfile (often with "| tee") and "grep Error:" usually works for me. :)
+------------------+--------------------------+----------------------------+ | Paul Goyette | PGP Key fingerprint: | E-mail addresses: | | (Retired) | FA29 0E3B 35AF E8AE 6651 | paul at whooppee dot com | | Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd dot org | +------------------+--------------------------+----------------------------+