Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!watmath!clyde!rutgers!brl-adm!adm!rgoguen@MIKEY.BBN.COM
From: rgoguen@MIKEY.BBN.COM
Newsgroups: comp.unix.wizards
Subject: Re: Digestify command
Message-ID: <4137@brl-adm.ARPA>
Date: Fri, 30-Jan-87 13:48:10 EST
Article-I.D.: brl-adm.4137
Posted: Fri Jan 30 13:48:10 1987
Date-Received: Sat, 31-Jan-87 07:25:28 EST
Sender: news@brl-adm.ARPA
Lines: 4

If you site is running MH. read about the two command burst(1) and pack(1). 
these commands take a mailbox and creates a folders (a bunch of files) or 
the latter takes a bunch of files (messages) and creates 1 big file.
/rjg