Article View: comp.sys.ibm.pc.programmer
Article #833Re: DOS Batch Programming
From: Cindi Knox
Date: Fri, 29 Jun 1990 05:55
Date: Fri, 29 Jun 1990 05:55
28 lines
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the reason ^Break won't work when you
y|del *.*
is that break checking is normally done only on console calls: i.e. screen
writes and keyboard reads. So the command y (which doesn't exist) opens
a pipe to del's input, the input ends, del is not satisfied and waits in
a loop of calls to DISK I/O! No break checking here. To get DOS to do
more break checking (at the penalty of some processing speed... nothing
drastic) put
BREAK = ON
in your config.sys or type
BREAK ON
This gives you break checking within ALL DOS function calls. This still
doesn't help if you're stuck in a non-function calling loop though it WILL
fix the hang/can't break problem in y|del *.*
I doubt any of these opinions are those of my employer.
I don't agree with ANYTHING they say.
Cindi Knox | You've got a lot of living to do without life.
|
cak@vpnet.chi.il.us | ``Little Miss S.'' by Edie Brickell and New Bohemians.
Technical Details
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<268abc49-d6.10comp.sys.ibm.pc.programmer-1@vpnet.chi.il.us>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!mcgill-vision!snorkelwacker!apple!mips!pacbell.com!pacbell!att!mcdchg!laidbak!obdient!vpnet!cakReferences:
<1990Jun24.043414.24256@caen.engin.umich.edu> <3868@optilink.UUCP>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!mcgill-vision!snorkelwacker!apple!mips!pacbell.com!pacbell!att!mcdchg!laidbak!obdient!vpnet!cak From: cak@vpnet.chi.il.us (Cindi Knox) Newsgroups: comp.sys.ibm.pc.programmer Subject: Re: DOS Batch Programming Keywords: DOS Batch DELETE Message-ID: <268abc49-d6.10comp.sys.ibm.pc.programmer-1@vpnet.chi.il.us> Date: 29 Jun 90 05:55:04 GMT References: <1990Jun24.043414.24256@caen.engin.umich.edu> <3868@optilink.UUCP> Lines: 27