Part of the section about searching more than one folder gives an overview of fpick. Here is the fpick script (you might want to open it in a separate browser window). To install it, first see the Section Programs in This Book's Archive and create the file fpick.
The fpick script runs the MH pick command on a tree of folders. It's straightforward Bourne shell code with no real surprises.
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This file first appeared in the updated online edition of the book MH & nmh: Email for Users & Programmers, by Jerry Peek. Copyright © 1997 by Jerry Peek. This file is freely available; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation. For more information, see the file copying.htm.
Suggestions are welcome: Jerry Peek <email@example.com>