[openbeos] Alert command line program

I was messing around with the "alert" command and was wondering if
there was a way to pipe output from another command line program into
alert so that the results could be viewed in a GUI dialog box.  Here's
a screenshot of how it normally works:
http://dev.haiku-os.org/attachment/ticket/2096/screen1.png
Betips has a couple of examples but those were both with static text as well.
If it can't take piped in results, maybe it could be extended to
enable such feature, or a similar command line program could be
created that would do that?
This would add some more tricks to what could be done in Haiku bash scripts.
-scottmc

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