#------------------------------------------------------------------------------ # $File: pdp,v 1.12 2024/02/29 03:40:37 christos Exp $ # pdp: file(1) magic for PDP-11 executable/object and APL workspace # URL: https://en.wikipedia.org/wiki/PDP-11 # 0 lelong 0101555 PDP-11 single precision APL workspace 0 lelong 0101554 PDP-11 double precision APL workspace # # PDP-11 a.out # 0 leshort 0407 PDP-11 executable >8 leshort >0 not stripped >15 byte >0 - version %d # updated by Joerg Jenderek at Mar 2013, Feb 2024 # GRR: line below too general as it catches also Windows precompiled setup information *.PNF 0 leshort 0401 # PDP-11 UNIX/RT ldp (strength=50=50+0) after D64 Image (strength=70=70+0 ./c64) and MMDF mailbox (strength=70=70+0 ./mmdf) #!:strength +0 # skip *.PNF with WinDirPathOffset 58h >68 ulelong !0x00000058 # skip *.PNF with high byte of InfVersionDatumCount zero #>>15 byte !0 PDP-11 UNIX/RT ldp # skip few Commodore D64 disc image like "The Great Gianna Sisters.d64" initialized with ^A and handled by ./c64 >>8 quad !0x0101010101010101 # skip MMDF mailbox like maillog.expected.2 with MBOX characteristic near the beginning handled by ./mmdf >>>5 search/610/b From\ >>>5 default x PDP-11 UNIX/RT ldp #!:mime application/octet-stream #!:ext foo 0 leshort 0405 PDP-11 old overlay 0 leshort 0410 PDP-11 pure executable >8 leshort >0 not stripped >15 byte >0 - version %d 0 leshort 0411 PDP-11 separate I&D executable >8 leshort >0 not stripped >15 byte >0 - version %d 0 leshort 0437 PDP-11 kernel overlay # These last three are derived from 2.11BSD file(1) 0 leshort 0413 PDP-11 demand-paged pure executable >8 leshort >0 not stripped 0 leshort 0430 PDP-11 overlaid pure executable >8 leshort >0 not stripped 0 leshort 0431 PDP-11 overlaid separate executable >8 leshort >0 not stripped