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