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Appleworks fixes from Joerg Jenderek
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zoulasc committed Dec 4, 2015
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52 changes: 41 additions & 11 deletions magic/Magdir/apple
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#------------------------------------------------------------------------------
# $File: apple,v 1.30 2015/04/13 13:09:06 christos Exp $
# $File: apple,v 1.31 2015/08/29 07:10:35 christos Exp $
# apple: file(1) magic for Apple file formats
#
0 search/1/t FiLeStArTfIlEsTaRt binscii (apple ][) text
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# Eric Fischer <enf@pobox.com>

# AppleWorks word processor:
#
# This matches the standard tab stops for an AppleWorks file, but if
# a file has a tab stop set in the first four columns this will fail.
#
# URL: https://en.wikipedia.org/wiki/AppleWorks
# Reference: http://www.gno.org/pub/apple2/doc/apple/filetypes/ftn.1a.xxxx
# Update: Joerg Jenderek
# NOTE:
# The "O" is really the magic number, but that's so common that it's
# necessary to check the tab stops that follow it to avoid false positives.

4 string O==== AppleWorks word processor data
>85 byte&0x01 >0 \b, zoomed
>90 byte&0x01 >0 \b, paginated
>92 byte&0x01 >0 \b, with mail merge
#>91 byte x \b, left margin %d
# and/or look for unused bits of booleans bytes like zoom, paginated, mail merge
# the newer AppleWorks is from claris with extension CWK
4 string O
# test for unused bits of zoom- , paginated-boolean bytes
>84 ubequad ^0x00Fe00000000Fe00
# look for tabstop definitions "=" no tab, "|" no tab
# "<" left tab,"^" center tab,">" right tab, "." decimal tab,
# unofficial "!" other , "\x8a" other
# official only if SFMinVers is nonzero
>>5 regex/s [=.<>|!^\x8a]{79} AppleWorks Word Processor
# AppleWorks Word Processor File (Apple II)
# ./apple (version 5.25) labeled the entry as "AppleWorks word processor data"
# application/x-appleworks is mime type for claris version with cwk extension
!:mime application/x-appleworks3
# http://home.earthlink.net/~hughhood/appleiiworksenvoy/
# ('p' + 1-byte ProDOS File Type + 2-byte ProDOS Aux Type')
# $70 $1A $F8 $FF is this the apple type ?
#:apple pdosp��
!:ext awp
# minimum version needed to read this files. SFMinVers (0 , 30~3.0 )
>>>183 ubyte 30 3.0
>>>183 ubyte !30
>>>>183 ubyte !0 0x%x
# usual tabstop start sequence "=====<"
>>>5 string x \b, tabstop ruler "%6.6s"
# tabstop ruler
#>>>5 string >\0 \b, tabstops "%-79s"
# zoom switch
>>>85 byte&0x01 >0 \b, zoomed
# whether paginated
>>>90 byte&0x01 >0 \b, paginated
# contains any mail-merge commands
>>>92 byte&0x01 >0 \b, with mail merge
# left margin in 1/10 inches ( normally 0 or 10 )
>>>91 ubyte >0
>>>>91 ubyte x \b, %d/10 inch left margin

# AppleWorks database:
#
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