Path: utzoo!utgpu!watserv1!watmath!att!emory!wuarchive!usc!srhqla!demott!kdq
From: kdq@demott.com (Kevin D. Quitt)
Newsgroups: comp.sources.wanted
Subject: Re: want to compress ascii text in strings not files
Keywords: compression, strings, ascii text subset
Message-ID: <1991Jan9.195123.21090@demott.com>
Date: 9 Jan 91 19:51:23 GMT
References: <1991Jan9.053459.13231@watmath.waterloo.edu>
Organization: DeMott Electronics Co., Van Nuys CA
Lines: 16

In article <1991Jan9.053459.13231@watmath.waterloo.edu> kgdykes@watmath.waterloo.edu (Ken Dykes) writes:
>is there an effective algorithm (what is it? :-) or even lazier a C source
>for a function (pascal, 286 assembler can also be survived :-)
>which will reduce in-memory requirements for strings.

    You can try DEC's RAD50, or a home-brewed equivalent.  SPACE is 0,
A-Z, then 0-9, followed by three more characters.  I've used these
latter as an escape to other character sets.  This encoding will allow
putting 3 characters into 2 bytes.  Not the greatest, but it's easy.


-- 
 _
Kevin D. Quitt         demott!kdq   kdq@demott.com
DeMott Electronics Co. 14707 Keswick St.   Van Nuys, CA 91405-1266
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