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Re: messages appear on stderr in batch mode

From: Davis Herring
Subject: Re: messages appear on stderr in batch mode
Date: Wed, 6 Apr 2011 03:34:52 -0700 (PDT)
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> emacs -Q --batch --eval '(message "hello")'
> prints "hello" on stderr, not stdout. This is a little annoying when
> trying to write automated build scripts etc for Emacs, since stderr is
> full of noise, and any real errors can be hard to spot.
> I guess there is a reason for this, since it is in the manual (and the
> man page, no less); but why?

I presume it's because `message' is used to generate prompts and warnings
which both should go there.  Perhaps one is meant to use `print' etc. for


This product is sold by volume, not by mass.  If it appears too dense or
too sparse, it is because mass-energy conversion has occurred during

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