Re: FORTH LITE TUTORIAL based on MPE VFX

From	"Rod Pemberton" <dont_use_email@xnothavet.cqm>
Newsgroups	comp.lang.forth
Subject	Re: FORTH LITE TUTORIAL based on MPE VFX
Date	2014-06-26 17:50 -0400
Organization	Aioe.org NNTP Server
Message-ID	<op.xh20abi76zenlw@localhost> (permalink)
References	(14 earlier) <e9d7bded-bedb-47c9-b082-e8ade3bfad30@googlegroups.com> <op.xhzjw3w06zenlw@localhost> <bZKdnaJwUcPBGDfOnZ2dnUVZ_tWdnZ2d@supernews.com> <op.xh067le36zenlw@localhost> <iKGdnZLAuNEQRDbOnZ2dnUVZ_hKdnZ2d@supernews.com>

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On Thu, 26 Jun 2014 04:27:57 -0400, Andrew Haley  
<andrew29@littlepinkcloud.invalid> wrote:
> Rod Pemberton <dont_use_email@xnothavet.cqm> wrote:

>> Nul-terminated strings eliminated the errors that occur with failure
>> to adjust the count on counted strings.
>
> Zero-terminated strings have two profound disadvantages: they require
> scanning in order to determine their length,

Most string operations act until a terminator is found, e.g., strcmp(),
strcpy().  This is trivially different from decrementing a count and
comparing it to zero when copying, comparing, or moving strings, etc.
The difference is that no count must be maintained.  The string isn't
limited by the integer size of a count field.

As for a programmer actually needing the length of a string, that's
very infrequent.

> and they need a sentinel character which is not part of the
> character set.

So? What computing platform doesn't support both text and binary files?
Most platforms support those two and additional others.

> The latter is particularly nasty because it requires output functions
> to be duplicated: you have to have both fwrite() and fputs(), for  
> example.

Many platforms have multiple file formats that required specialized reads.

E.g., the CBM filesystem used in C64 1541 drives etc, which was derived
 from mainframe platform, supported four: REL, PRG, SEQ, and USR.  The
Stratus Continuum's supported numerous.  I don't recall on the DEC/VAX.

> Also, zero-termination means in most cases that substrings can't
> share memory.

That's not true.  It just means you have to either 1) only use one
terminator at a time (no 'const'), or 2) use memory copy or compare
functions instead of string functions.

It means the compiler can't easily setup substrings to share memory.
That's different from me inserting and removing terminators for strings.

Rod Pemberton

Thread

FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-06-15 07:06 -0700
  Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-06-15 08:48 -0700
    Re: FORTH LITE TUTORIAL based on MPE VFX Paul E Bennett <Paul_E.Bennett@topmail.co.uk> - 2014-06-15 23:43 +0100
    Re: FORTH LITE TUTORIAL based on MPE VFX rickman <gnuarm@gmail.com> - 2014-06-15 19:44 -0400
      Re: FORTH LITE TUTORIAL based on MPE VFX Bernd Paysan <bernd.paysan@gmx.de> - 2014-06-16 02:21 +0200
      Re: FORTH LITE TUTORIAL based on MPE VFX Paul E Bennett <Paul_E.Bennett@topmail.co.uk> - 2014-06-16 09:26 +0100
        Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-06-17 04:06 -0700
  Re: FORTH LITE TUTORIAL based on MPE VFX rickman <gnuarm@gmail.com> - 2014-06-15 19:39 -0400
  Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-06-15 23:01 -0700
  Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-17 09:27 -0700
    Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-17 20:12 -0700
      Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-17 21:15 -0700
        Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-17 22:34 -0700
          Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-17 23:11 -0700
            Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-18 16:57 -0700
              Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-06-20 05:03 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-20 14:56 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-20 17:03 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-20 17:53 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-21 10:57 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-21 11:06 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-21 13:30 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-21 11:58 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-21 14:22 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-21 20:13 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-21 21:54 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX bruce.mcfarling@gmail.com - 2014-06-21 22:31 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-06-22 05:31 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-22 07:04 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-22 18:02 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX Bernd Paysan <bernd.paysan@gmx.de> - 2014-06-23 02:53 +0200
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-22 20:29 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-06-22 13:40 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-22 12:08 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX november.nihal@gmail.com - 2014-06-22 16:03 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-22 20:30 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-26 15:17 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-26 15:51 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-26 22:49 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-27 07:32 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-27 23:01 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-28 06:59 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Julian Fondren <julian.fondren@gmail.com> - 2014-06-28 08:07 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-28 08:34 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-28 07:23 -1000
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-28 22:46 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-07-27 02:06 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Raimond Dragomir <raimond.dragomir@gmail.com> - 2014-07-28 07:31 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-07-28 11:23 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-07-28 19:21 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX Raimond Dragomir <raimond.dragomir@gmail.com> - 2014-07-28 20:59 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX visualforth@rocketmail.com - 2014-07-29 11:10 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX stephenXXX@mpeforth.com (Stephen Pelc) - 2014-07-29 09:45 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX Raimond Dragomir <raimond.dragomir@gmail.com> - 2014-07-29 07:44 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX stephenXXX@mpeforth.com (Stephen Pelc) - 2014-07-29 17:48 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-07-29 11:14 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX mhx@iae.nl - 2014-07-29 12:57 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-07-29 18:36 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Raimond Dragomir <raimond.dragomir@gmail.com> - 2014-07-29 20:38 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-07-29 21:43 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Raimond Dragomir <raimond.dragomir@gmail.com> - 2014-07-29 23:05 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-07-30 22:20 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Raimond Dragomir <raimond.dragomir@gmail.com> - 2014-07-31 00:19 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Mark Wills <markwills1970@gmail.com> - 2014-07-30 01:41 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-07-30 21:42 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Mark Wills <markwills1970@gmail.com> - 2014-07-31 01:08 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-07-31 20:25 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Mark Wills <markwills1970@gmail.com> - 2014-08-01 02:23 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Lars Brinkhoff <lars.spam@nocrew.org> - 2014-08-01 12:54 +0200
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-08-01 19:57 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-08-02 04:18 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-07-27 02:14 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX bruce.mcfarling@gmail.com - 2014-06-21 21:59 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-06-21 22:36 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-21 22:44 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Julian Fondren <julian.fondren@gmail.com> - 2014-06-22 02:26 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-22 07:41 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-22 07:43 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-22 19:57 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-24 21:04 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-24 15:21 -1000
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-25 18:21 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-06-25 03:16 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX Ron Aaron <rambamist@gmail.com> - 2014-06-25 12:08 +0300
                Re: FORTH LITE TUTORIAL based on MPE VFX anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-06-25 14:08 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX Ron Aaron <rambamist@gmail.com> - 2014-06-25 19:13 +0300
                Re: FORTH LITE TUTORIAL based on MPE VFX anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-06-25 17:14 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX Ron Aaron <rambamist@gmail.com> - 2014-06-25 21:03 +0300
                Re: FORTH LITE TUTORIAL based on MPE VFX albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-06-26 12:13 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-06-25 16:14 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-06-25 17:27 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-25 18:24 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-06-26 03:27 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-26 17:50 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-06-27 03:13 -0500
                Re: FORTH LITE TUTORIAL based on MPE VFX albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-06-27 12:30 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX Mark Wills <markwills1970@gmail.com> - 2014-06-25 03:46 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-06-25 16:15 +0000
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-25 13:19 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-25 18:52 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX Alexander Skobelev <al.skobelev@gmail.com> - 2014-06-26 10:45 +0400
                Re: FORTH LITE TUTORIAL based on MPE VFX Ron Aaron <rambamist@gmail.com> - 2014-06-26 09:56 +0300
                Re: FORTH LITE TUTORIAL based on MPE VFX Alexander Skobelev <al.skobelev@gmail.com> - 2014-06-26 11:30 +0400
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-25 18:38 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-25 20:49 -1000
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-26 17:54 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX David Thompson <dave.thompson2@verizon.net> - 2014-07-26 21:53 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX Julian Fondren <ayrnieu@gmail.com> - 2014-06-22 22:22 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-23 07:31 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-24 17:05 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-24 20:55 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-24 19:52 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-25 13:09 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX humptydumpty <ouatubi@gmail.com> - 2014-06-23 00:17 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX humptydumpty <ouatubi@gmail.com> - 2014-06-23 00:27 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-23 07:45 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-23 07:54 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX humptydumpty <ouatubi@gmail.com> - 2014-06-24 00:56 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Bernd Paysan <bernd.paysan@gmx.de> - 2014-06-27 03:33 +0200
          Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-25 18:20 -0700
            Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-25 18:50 -0700
              Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-25 20:00 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-25 23:02 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX Paul E Bennett <Paul_E.Bennett@topmail.co.uk> - 2014-06-26 10:28 +0100
                Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-26 07:56 -0700
                Re: FORTH LITE TUTORIAL based on MPE VFX "Elizabeth D. Rather" <erather@forth.com> - 2014-06-26 07:59 -1000
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-26 17:33 -0400
                Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-26 17:26 -0400
            Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-26 17:22 -0400
      Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-18 22:07 -0400
        Re: FORTH LITE TUTORIAL based on MPE VFX Julian Fondren <julian.fondren@gmail.com> - 2014-06-18 19:28 -0700
          Re: FORTH LITE TUTORIAL based on MPE VFX mhx@iae.nl - 2014-06-18 23:09 -0700
        Re: FORTH LITE TUTORIAL based on MPE VFX hughaguilar96@yahoo.com - 2014-06-18 20:02 -0700
          Re: FORTH LITE TUTORIAL based on MPE VFX "Rod Pemberton" <dont_use_email@xnothavet.cqm> - 2014-06-19 18:28 -0400
    Re: FORTH LITE TUTORIAL based on MPE VFX Julian Fondren <julian.fondren@gmail.com> - 2014-06-17 21:01 -0700
      Re: FORTH LITE TUTORIAL based on MPE VFX mhx@iae.nl - 2014-06-17 23:01 -0700
  Re: FORTH LITE TUTORIAL based on MPE VFX jyf <jyf1987@gmail.com> - 2014-06-19 22:13 -0700
    Re: FORTH LITE TUTORIAL based on MPE VFX Roger Levy <roger.levy@gmail.com> - 2014-06-19 22:34 -0700
  Re: FORTH LITE TUTORIAL based on MPE VFX brelliott18@hotmail.com - 2014-08-10 09:15 -0700
    Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-08-11 14:31 -0700
      Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-08-11 23:51 -0700
        Re: FORTH LITE TUTORIAL based on MPE VFX brelliott18@hotmail.com - 2014-08-12 03:14 -0700
          Re: FORTH LITE TUTORIAL based on MPE VFX JUERGEN <epldfpga@aol.com> - 2014-08-12 03:51 -0700

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