/
githubmirror
/
file
Обзор
Документация
Войти
/
githubmirror
/
file
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
magic/Magdir/mmdf
24 строки
1 KB
Christos Zoulas
Differentiate between pdp, mmdf, and targa to recognize C64 disk
29 фев 2024, 06:40
29 фев 2024, 06:40
53340ff
Код
Авторство
О чём код?
#------------------------------------------------------------------------------ # $File: mmdf,v 1.7 2024/02/29 03:40:37 christos Exp $ # mmdf: file(1) magic for MMDF mail files # Update: Joerg Jenderek Feb 2024 # URL: https://en.wikipedia.org/wiki/MMDF # Reference: https://docs.oracle.com/cd/E88353_01/html/E37852/mmdf-5.html # Note: Multi-channel Memorandum Distribution Facility (MMDF) mailbox format is a legacy variant of mbox format # (handled by ./mail.news); each message is surrounded by lines containing 4 control-A # 0 string \001\001\001\001 # GRR: MMDF mailbox (strength=70=70+0 ./mmdf) after D64 Image (strength=70=70+0 ./c64) Targa image data (strength=70=110-40 ./images) # and before "PDP-11 UNIX/RT ldp" (strength=50=50+0 ./pdp) #!:strength +0 # skip few Commodore disc Image where first content are initialized with ^A like "The Great Gianna Sisters.d64" # by looking for following valid line terminator (10=0Ah~LineFeed or 13=0Dh~CarriageReturn) #>4 ubyte&0xF8 =0x08 MMDF mailbox # or by looking for MBOX Mailbox (/mail.news) characteristic like: # https://github.com/dfandrich/oldmailconvert/blob/master/testdata/uupc.input.1 >5 search/610/b From\ MMDF mailbox #!:mime application/octet-stream !:mime message/x-mmdf # https://github.com/dfandrich/oldmailconvert/blob/master/testdata/maillog.expected.2 # but default mailbox name is like /usr/spool/mail/username !:ext /mmdf