file/magic/Magdir/maple

#------------------------------------------------------------------------------
# $File: maple,v 1.10 2021/08/30 13:31:25 christos Exp $
# maple:  file(1) magic for maple files
# "H. Nanosecond" <aldomel@ix.netcom.com>
# Maple V release 4, a multi-purpose math program
#

# maple library .lib
# URL:		https://en.wikipedia.org/wiki/Maple_(software)
# Reference:	http://mark0.net/download/triddefs_xml.7z/defs/l/lib-maple-v-r4.trid.xml
# Update:	Joerg Jenderek
0	string	\000MVR4\nI	Maple Vr4 library
#!:mime	application/octet-stream
!:mime	application/x-maple-lib
!:ext	lib

# URL:		https://en.wikipedia.org/wiki/Maple_(software)
# Reference:	http://mark0.net/download/triddefs_xml.7z/defs/l/lib-maple-v-r5.trid.xml
# From:		Joerg Jenderek
0	string	\000MVR5\n	Maple Vr5 library
#!:mime	application/octet-stream
!:mime	application/x-maple-lib
!:ext	lib

# From:		Joerg Jenderek
0x400	string	M7R0\nI		Maple Vr7 library
#!:mime	application/octet-stream
!:mime	application/x-maple-lib
!:ext	lib
# null terminated library name like: C:\Maple12/Cliffordlib\maple.lib ../Maplets/Tutors.lib
>5	string	x		%s
# probably library name padding with nil or points (0x2E)
#>0xF8	uquad	x		\b, PADDING 0x%16.16llx
# null terminated strings like: Exterior Clifford FunctionArithmetics
# like: 1 20 40
>0x115	ulelong	x		\b, %u string
# plural s
>0x115	ulelong	>1		\bs
>0x119	string	x		1st '%s'
# probably second name section padding with nil or points (0x2E)
#>0x3F0	uquad	x		\b, 2nd PADDING 0x%16.16llx
# line feed separated ASCII string with maximal 79 length
#>0x407	string	x		\b, section "%s"
>0x454	ubyte	!0x0a		\b, at 0x454 0x%x

# .ind
# no magic for these :-(
# they are compiled indexes for maple files

# .hdb
# Update:	Joerg Jenderek
# URL:		https://www.maplesoft.com/support/help/maple/view.aspx?path=Formats/HDB
# Reference:	http://mark0.net/download/triddefs_xml.7z/defs/h/hdb-maple.trid.xml
# Note:		This format was replaced in Maple 18 by the Maple Help format (*.help)
0	string	\000\004\000\000
# skip xBASE Compound Index file *.CDX by looking for version
>1028	string		version	Maple help database
# length of string version
#>>1024	ulelong		!7	\b, at 0x400 unexpected %u
#!:mime application/octet-stream
!:mime application/x-maple-hdb
!:ext	hdb
>1028	default		x
# skip more xBASE Compound Index file *.CDX by looking for keyword Maple
# like hsum.hdb
>>4	search/0xCC41	Maple	Maple help database
!:mime	application/x-maple-hdb
!:ext	hdb

# .mhp
# this has the form <PACKAGE=name>
0	string	\<PACKAGE=	Maple help file
0	string	\<HELP\ NAME=	Maple help file
0	string	\n\<HELP\ NAME=	Maple help file with extra carriage return at start (yuck)
#0	string	#\ Newton	Maple help file, old style
0	string	#\ daub	Maple help file, old style
#0	string	#===========	Maple help file, old style

# .mws
0	string	\000\000\001\044\000\221	Maple worksheet
#this is anomalous
0	string	WriteNow\000\002\000\001\000\000\000\000\100\000\000\000\000\000	Maple worksheet, but weird
# this has the form {VERSION 2 3 "IBM INTEL NT" "2.3" }\n
# that is {VERSION major_version miunor_version computer_type version_string}
0	string	{VERSION\ 	Maple worksheet
>9	string	>\0	version %.1s.
>>11	string	>\0	%.1s

# .mps
0	string	\0\0\001$	Maple something
# from byte 4 it is either 'nul E' or 'soh R'
# I think 'nul E' means a file that was saved as  a different name
# a sort of revision marking
# 'soh R' means new
>4	string	\000\105	An old revision
>4	string	\001\122	The latest save

# .mpl
# some of these are the same as .mps above
#0000000 000 000 001 044 000 105 same as .mps
#0000000 000 000 001 044 001 122 same as .mps

0	string	#\n##\ <SHAREFILE=	Maple something
0	string	\n#\n##\ <SHAREFILE=	Maple something
0	string	##\ <SHAREFILE=	Maple something
0	string	#\r##\ <SHAREFILE=	Maple something
0	string	\r#\r##\ <SHAREFILE=	Maple something
0	string	#\ \r##\ <DESCRIBE>	Maple something anomalous.