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Date:      Sat, 1 Aug 1998 19:49:20 -0600 (MDT)
From:      lyndon@orthanc.ab.ca
To:        FreeBSD-gnats-submit@FreeBSD.ORG
Subject:   bin/7466: adventures should be magic
Message-ID:  <199808020149.TAA00988@thingfish.v-wave.com>

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>Number:         7466
>Category:       bin
>Synopsis:       new adventure magic
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Sat Aug  1 18:50:01 PDT 1998
>Last-Modified:
>Originator:     
>Organization:
The Frobozz Magic Homing Pigeon Company
>Release:        FreeBSD 2.2.7-STABLE i386
>Environment:

>Description:

This PR contains additional magic for file(1) describing
various adventure game data files.

>How-To-Repeat:

>Fix:
	
Add the following to /usr/src/usr.bin/file/Magdir/adventure:


#------------------------------------------------------------------------------
# adventure:  file(1) magic for Infocom (and other) adventure games
#
# Adventure game formats
#
# from Allen Garvin <earendil@faeryland.tamu-commerce.edu>
# Edited by Dave Chapeskie <dchapes@ddm.on.ca> Jun 28, 1998
#
# Contributed to FreeBSD by Lyndon Nerenberg <lyndon@orthanc.ab.ca>.
# This file was taken from the Interactive Fiction archives at
# ftp://ftp.gmd.de/if-archive/utilities/magic (*the* place for text
# adventure games from a by-gone era). Please send me updates and
# I'll make sure they get back to the GMD archives. (1998 AUG 1)
#
# ALAN
# I assume there are other, lower versions, but these are the only ones I
# saw in the archive.
#
0	beshort	0x0206	ALAN text adventure code data
>Audit-Trail:
>Unformatted:
>2	byte	<10	version 2.6%d
#
# Infocom
#
# (Note: to avoid false matches Z-machine version 1 and 2 are not
# recognized since only the oldest Zork I and II used them.  Similarly
# there are 4 Infocom games that use verion 4 that are not recognized.)
#
0	byte	3	Infocom game data (Z-machine 3,
>2	beshort	<0x7fff	Release %3d,
#>26	beshort >0	Size %d*2
>18	string	>\0	Serial %.6s)
0	byte	5	Infocom game data (Z-machine 5,
>2	beshort	<0x7fff	Release %3d,
#>26	beshort >0	Size %d*4
>18	string	>\0	Serial %.6s)
0	byte	6	Infocom game data (Z-machine 6,
>2	beshort	<0x7fff	Release %3d,
#>26	beshort >0	Size %d*8
>18	string	>\0	Serial %.6s)
0	byte	8	Infocom game data (Z-machine 8,
>2	beshort	<0x7fff	Release %3d,
#>26	beshort >0	Size %d*8
>18	string	>\0	Serial %.6s)
#
# TADS (Text Adventure Development System)
#
0	string	TADS	TADS adventure game data
>13	string	>\0	(ver. %.6s,
>22	string	>\0	date %s)

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