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Article #3008

Re: The woes of ^Z

#3008
From: Phil Hill
Date: Mon, 21 Dec 1992 04:28
33 lines
2026 bytes
>jon@vector0.SAC.CA.US  (Dazed N. Confused) writes:
>>      Somewhere in the middle of the article the poster had put in a
>> ^Z.  Waffle stopped at this point and read no further, even though
>> the rest of the file was about 10k.

roy%cybrspc@cs.umn.edu (Roy M. Silvernail) writes:
>Waffle handles files in text mode, except when reading/writing the spool
>for off-site traffic.  (right, Bill?)  ^Z happens to the the DOS EOF
>marker for text files.  Waffle hasn't got a bug.  MS-DOS has a bozon
>filesystem.

Doesn't have anything to do with the filesystem.  The DEFAULT mode to read
a file is "TEXT" mode, in which case a ^Z is treated as EOF.  If WAFFLE didn't
open the news files in "TEXT" mode, then this bug would be fixed.  But then
you would have to contend with CR/LF line delimiters.

>
>Hey, Unix types... what happens if a DOS site embeds a ^D in mail or
>news?

^D is only treated as the EOF character when it's typed in from the keyboard.
As a matter of fact you can change which character is treated as EOF by
issuing a 'stty' command. "stty eof ^Z" will make UNIX act more like DOS.
^D or ^Z doesn't have any effect when read from a file unless a program is
setup to look for those characters.


-------------------------------------------------------------------------
| Phil Hill                     | "All you people in TV land,           |
| Miracle Computer Consultants  |   I will wake up your empty shells.   |
|                               |  Peak time viewing blown in a flash,  |
|                               |   as I burn into your memory cells.   |
| Email: phil@miracle.com       |  'cause I'm alive." - Peter Gabriel   |
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Message-ID: <21Dec92002848@miracle.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!darwin.sura.net!spool.mu.edu!agate!linus!alliant!merk!miracle!phil

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Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!darwin.sura.net!spool.mu.edu!agate!linus!alliant!merk!miracle!phil
From: phil@miracle.com (Phil Hill)
Newsgroups: comp.bbs.waffle
Subject: Re: The woes of ^Z
Message-ID: <21Dec92002848@miracle.com>
Date: Mon, 21 Dec 92 00:28:48 EDT
Organization: Miracle Computer Consultants
Lines: 44