file_ex/magic/Magdir/algol68
2023-08-07 17:12:06 +01:00

41 lines
1.3 KiB
Text

#------------------------------------------------------------------------------
# $File: algol68,v 1.4 2021/08/15 06:00:55 christos Exp $
# algol68: file(1) magic for Algol 68 source
#
# URL: https://en.wikipedia.org/wiki/ALGOL_68
# Reference: http://www.softwarepreservation.org/projects/ALGOL/report/Algol68_revised_report-AB.pdf
# Update: Joerg Jenderek
0 search/8192 (input,
>0 use algol_68
# graph_2d.a68
0 regex/4006 \^PROC
#>&-4 string x \b, dBase or Algol "%s"
# most xBase scripts *.prg with PROCEDURE like: Areacode BarCount Def_mens Vendors
#>&-4 string =PROCEDURE \b, dBase PROCEDURE
# skip xBase program scripts *.prg with PROCEDURE keyword
# keyword proc probably followed by white space used to specify algol procedures
>&-4 string !PROCEDURE
>>0 use algol_68
0 regex/1024 \bMODE[\t\ ]
>0 use algol_68
0 regex/1024 \bMODE[\t\ ]
>0 use algol_68
0 regex/1024 \bREF[\t\ ]
>0 use algol_68
0 regex/1024 \bFLEX[\t\ ]\*\\[
>0 use algol_68
# display information like mime type and file name extension of Algol 68 source text
0 name algol_68 Algol 68 source text
!:mime text/x-Algol68
# https://file-extension.net/seeker/file_extension_a68
!:ext a68
#!:ext a68/alg
#0 regex [\t\ ]OD Algol 68 source text
#>0 use algol_68
#!:mime text/x-Algol68
#0 regex [\t\ ]FI Algol 68 source text
#>0 use algol_68
#!:mime text/x-Algol68