1 2#------------------------------------------------------------------------------ 3# $File: rtf,v 1.8 2020/05/17 19:28:49 christos Exp $ 4# rtf: file(1) magic for Rich Text Format (RTF) 5# 6# Duncan P. Simpson, D.P.Simpson@dcs.warwick.ac.uk 7# Update: Joerg Jenderek 8# URL: https://en.wikipedia.org/wiki/Rich_Text_Format 9# Reference: http://www.snake.net/software/RTF/RTF-Spec-1.7.rtf 10# http://www.kleinlercher.at/tools/Windows_Protocols/Word2007RTFSpec9.pdf 110 string {\\rtf 12# skip DROID fmt-355-signature-id-522.rtf by looking for valid version 13>5 ubyte !0xAB 14# skip also \ in DROID fmt-50-signature-id-158.rtf by looking for valid version 15>>5 ubyte !0x5C Rich Text Format data 16!:mime text/rtf 17!:apple ????RTF 18!:ext rtf 19>>>0 use rtf-info 20# display information like version, language and code page of RTF 210 name rtf-info 22# 1 mostly, 2 for newer Pocket Word documents, space for test like fdo78502.rtf, { for some urtf 23>5 ubyte !0x7b \b, version %c 24# The word for character set must precede any text or most other control words 25>6 string \\mac \b, Apple Macintosh 26>6 string \\pc 27# control word \pca 28>>9 ubyte =0x61 \b, IBM PS/2, code page 850 29>>9 ubyte !0x61 \b, IBM PC, code page 437 30# unknown character set or ANSI later after control words like 31# \adeflang1025 \info \title \author \category \manager 32# "Burow, Steffanie - Im Tal des Schneeleoparden.rtf" 33#>6 search/105 \\ansi \b, ANSI 34>6 search/502 \\ansi \b, ANSI 35>6 default x \b, unknown character set 36# look for explict codepage keyword 37# "Burow, Steffanie - Im Tal des Schneeleoparden.rtf" 38#>5 search/110 \\ansicpg 39>5 search/500 \\ansicpg 40# skip unknown or buggy codepage string 0 like in fdo78502.rtf 41>>&0 ubyte !0x30 \b, code page 42# codepage string: 437~United States IBM, ..., 1252~WesternEuropean, ..., 57011~Punjabi 43>>>&-1 string x %-.3s 44# skip space or \ and display possible 4th digit of code page string 45>>>&2 ubyte >0x2F 46>>>>&-1 ubyte <0x3A \b%c 47# possible 5th digit of code page string 48>>>>>&0 ubyte >0x2F 49>>>>>>&-1 ubyte <0x3A \b%c 50# look again at version byte to use default clause 51>5 ubyte x 52# Default language ID for South Asian/Middle Eastern text 53# language ID: 1025, ..., 1065~Persian, ..., 2057~English_UnitedKingdom, ..., 58380~French_NorthAfrica 54# Readme-0.72-Persian.rtf 55#>6 search/1 \\adeflang \b, default middle east language ID 56>>6 search/497 \\adeflang \b, default middle east language ID 57# https://docs.microsoft.com/en-us/openspecs/office_standards/ms-oe376/6c085406-a698-4e12-9d4d-c3b0ee3dbc4a 58>>>&0 string x %.4s 59# skip \ and NL and show possible 5th digit of language string 60>>>&4 ubyte >0x2F 61>>>>&-1 ubyte <0x3A \b%c 62# else look for default language to be used when the \plain control word is encountered 63>>6 default x 64# "Burow, Steffanie - Im Tal des Schneeleoparden.rtf" 65#>>>6 search/127 \\deflang 66>>>6 search/505 \\deflang 67>>>>&0 string >0 \b, default language ID %-.4s 68# possible 5th digit of language string 69>>>>&4 ubyte >0x2F 70>>>>>&-1 ubyte <0x3A \b%c 71 72# Reference: http://latex2rtf.sourceforge.net/rtfspec_63.html 73# Note: no real world example found 740 string {\\urtf Rich Text Format unicoded data 75!:mime text/rtf 76#!:apple ????RTF 77!:ext rtf 78>1 use rtf-info 79 80# URL: https://en.wikipedia.org/wiki/Microsoft_Word 81# Reference: http://fileformats.archiveteam.org/wiki/Microsoft_Word 82# Note: called by TrID "Pocket Word document" 83# by PlanMaker "Pocket Word-Handheld PC" for pwd 84# by PlanMaker "Pocket Word-Pocket PC" for psw 850 string {\\pwd Pocket Word document or template 86# by SoftMaker Office http://extension.nirsoft.net/pwd 87#!:mime application/msword 88# https://reposcope.com/mimetype/application/x-pocket-word 89!:mime application/x-pocket-word 90# PWD for Handheld PC variant and PSW for Pocket PC variant 91# PWT for template 92!:ext pwd/psw/pwt 93>0 use rtf-info 94 95