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Re: [Nmh-workers] Multiple From Addresses.

From: Paul Fox
Subject: Re: [Nmh-workers] Multiple From Addresses.
Date: Mon, 10 Oct 2016 10:06:01 -0400

ken wrote:
 > >can you share that bit of mh-format magic?  i'm sure it would work more
 > >cleanly than my current technique of running sed on the draft.  :-)
 > Easy peasy:
 > %<{from}%?(getenv MH_FROM)%|%(void(localmbox))%>%(void(width))%(putaddr 
 > From: )
 > The {from} is there in case I want to use -from from the comp command line.
 > Obviously the environment variable is MH_FROM.  And I have aliases like this:

one more question about this:  how can i cause a format entry to
evaluate to nothing at all, not even a newline?

i'd like to do something similar to your example for Reply-to, for
instance (i have other uses in mind as well).  i've tried both this:

    %<(getenv MH_REPLYTO)%(void(width))%(putaddr Reply-to: )%|%>

and this:

    %<(getenv MH_REPLYTO)%<(nonnull)%(void(width))%(putaddr Reply-to: )%>%>

but neither of these attempts work -- i always get at least a blank line:

 paul fox, address@hidden (arlington, ma, where it's 42.4 degrees)

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