1 2#------------------------------------------------------------------------------ 3# $File: pdp,v 1.12 2024/02/29 03:40:37 christos Exp $ 4# pdp: file(1) magic for PDP-11 executable/object and APL workspace 5# URL: https://en.wikipedia.org/wiki/PDP-11 6# 70 lelong 0101555 PDP-11 single precision APL workspace 80 lelong 0101554 PDP-11 double precision APL workspace 9# 10# PDP-11 a.out 11# 120 leshort 0407 PDP-11 executable 13>8 leshort >0 not stripped 14>15 byte >0 - version %d 15 16# updated by Joerg Jenderek at Mar 2013, Feb 2024 17# GRR: line below too general as it catches also Windows precompiled setup information *.PNF 180 leshort 0401 19# 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) 20#!:strength +0 21# skip *.PNF with WinDirPathOffset 58h 22>68 ulelong !0x00000058 23# skip *.PNF with high byte of InfVersionDatumCount zero 24#>>15 byte !0 PDP-11 UNIX/RT ldp 25# skip few Commodore D64 disc image like "The Great Gianna Sisters.d64" initialized with ^A and handled by ./c64 26>>8 quad !0x0101010101010101 27# skip MMDF mailbox like maillog.expected.2 with MBOX characteristic near the beginning handled by ./mmdf 28>>>5 search/610/b From\ 29>>>5 default x PDP-11 UNIX/RT ldp 30#!:mime application/octet-stream 31#!:ext foo 320 leshort 0405 PDP-11 old overlay 33 340 leshort 0410 PDP-11 pure executable 35>8 leshort >0 not stripped 36>15 byte >0 - version %d 37 380 leshort 0411 PDP-11 separate I&D executable 39>8 leshort >0 not stripped 40>15 byte >0 - version %d 41 420 leshort 0437 PDP-11 kernel overlay 43 44# These last three are derived from 2.11BSD file(1) 450 leshort 0413 PDP-11 demand-paged pure executable 46>8 leshort >0 not stripped 47 480 leshort 0430 PDP-11 overlaid pure executable 49>8 leshort >0 not stripped 50 510 leshort 0431 PDP-11 overlaid separate executable 52>8 leshort >0 not stripped 53