From czyborra@cs.tu-berlin.de Tue Oct 28 11:53:26 1997
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From: Roman Czyborra <czyborra@cs.tu-berlin.de>
Newsgroups: comp.mail.mime
Subject: Re: seeking MIME mail-sending Unix utility or advice on writing one
Date: Wed, 22 Oct 1997 23:47:35 +0200
Organization: Technical University Berlin, Germany
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Message-ID: <Pine.LNX.3.95.971022232555.632P-100000@czyborra.cs.tu-berlin.de>
References: <nm9k9f5516t.fsf@kindness.MIT.EDU>
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To: Bruce Lewis <brlewis@mit.edu>
In-Reply-To: <nm9k9f5516t.fsf@kindness.MIT.EDU>

> I'm seeking a MIME utility on Unix that takes as its input a file that
> is in message/rfc822 format except that the message body is raw bytes
> and the Content-Transfer-Encoding is the *desired* encoding.  This
> utility would output a message/rfc822 suitable for passing to sendmail
> with the body properly encoded, and the Subject line encoded properly.

The first part is easy:

	#!/usr/local/bin/procmail -m

	:0 fbw
	*^Content-Transfer-Encoding: base64
	| mimencode -b

	:0 fbw
	*^Content-Transfer-Encoding: quoted-printable
	| mimencode -q

	:0 fbw
	*^Content-Transfer-Encoding: 8bit
	| tr \\200-\\377 \\000-\\177

	:0 fbw
	*^Content-Transfer-Encoding: [78]bit
	| tr -d \\0

But what do you consider proper encoding of the Subject?

	:0 fhw
	*^Subject:[ 	]*\/.*[^	 !-~].*
	| formail -I \
	"Subject: =?UNKNOWN-8BIT?B?`echo -n "$MATCH"|mimencode`?="

	:0 w
	| /usr/lib/sendmail -oi -t