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From:	"Gerrit P. Haase" <gerrit DOT haase AT t-online DOT de>
Organization:	Esse keine toten Tiere
To:	avadekar AT certicom DOT com, cygwin AT cygwin DOT com
Date:	Fri, 29 Dec 2000 22:55:18 +0100
MIME-Version:	1.0
Subject:	Re: shell loses "stty echo" state
Reply-to:	gerrit DOT haase AT t-online DOT de
Message-ID:	<3A4D1656.28816.A51005A@localhost>
In-reply-to:	<20001229154120.E9356@volta.certicom.com>
References:	<3A4CEE5C DOT 6477D014 AT ece DOT gatech DOT edu>; from cwilson AT ece DOT gatech DOT edu on Fri, Dec 29, 2000 at 03:04:44PM -0500
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<29 Dec 2000, 15:41 Uhr wars, als Ashok Vadekar folgendes schrub:>
< Re: shell loses "stty echo" state >

> Here is an example of the state change:
> <Open a new shell>
> 	stty -a > good
> 	less good
> 	stty -a > bad
> 
> <Good contains:>
> 	speed 38400 baud; rows 25; columns 80; line = 0;
> 	intr = ^C; quit = ^\; erase = ^H; kill = ^U; eof = ^D; eol = <undef>;
> 	eol2 = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W;
> 	lnext = ^V; flush = ^O; min = 1; time = 0;
> 	-parenb -parodd cs8 -hupcl -cstopb cread -clocal -crtscts
> 	-ignbrk brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff
> 	-iuclc -ixany -imaxbel
> 	opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
> 	isig icanon iexten echo -echoe -echok -echonl -noflsh -tostop -echoctl -echoke
> 
> <Bad contains:>
> 	speed 38400 baud; rows 25; columns 80; line = 0;
> 	intr = ^C; quit = ^\; erase = ^H; kill = ^U; eof = ^D; eol = <undef>;
> 	eol2 = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W;
> 	lnext = ^V; flush = ^O; min = 1; time = 0;
> 	-parenb -parodd cs8 -hupcl -cstopb cread -clocal -crtscts
> 	-ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr -icrnl -ixon
> 	-ixoff -iuclc -ixany -imaxbel
> 	opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
> 	isig -icanon -iexten -echo -echoe -echok -echonl -noflsh -tostop -echoctl
> 	-echoke
> 
> Diffing them shows the changes
> brkint icrnl ixon icanon iexten echo -> -brkint -icrnl -ixon -icanon -iexten -echo
> 
> I looked at $TERM, it was set to cygwin.  Changing it to other terminal types
> (linux, ansi, vt100, and even dumb) caused some changes, like switching to
> mono (at least in vi), but did not change the loss of echo.
> 
> Any suggestions?
> 

I'm running cygwin on WinNT 4.0
i repeated your test, i couldn't see any diffs...
i suggest, that it may depend on cygwin env-variable, which _must_ be set before 
starting a new shell!

My cygwin.bat:
@echo off
I:
chdir \cygwin\bin
set CYGWIN=binmode tty ntea nontsec
bash --login -i

The same test as yours:
siebenschlaefer AT LORELEY ~
$ stty -a > good

siebenschlaefer AT LORELEY ~
$ less good
speed 38400 baud; rows 45; columns 90; line = 0;
intr = ^C; quit = ^\; erase = ^H; kill = ^U; eof = ^D; eol = <undef>;
eol2 = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W;
lnext = ^V; flush = ^O; min = 1; time = 0;
- -parenb -parodd cs8 -hupcl -cstopb cread -clocal -crtscts
- -ignbrk brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff
- -iuclc -ixany -imaxbel
opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
isig icanon iexten echo -echoe -echok -echonl -noflsh -tostop -echoctl -echoke

siebenschlaefer AT LORELEY ~
$ stty -a > bad

siebenschlaefer AT LORELEY ~
$ less bad
speed 38400 baud; rows 45; columns 90; line = 0;
intr = ^C; quit = ^\; erase = ^H; kill = ^U; eof = ^D; eol = <undef>;
eol2 = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W;
lnext = ^V; flush = ^O; min = 1; time = 0;
- -parenb -parodd cs8 -hupcl -cstopb cread -clocal -crtscts
- -ignbrk brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff
- -iuclc -ixany -imaxbel
opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
isig icanon iexten echo -echoe -echok -echonl -noflsh -tostop -echoctl -echoke

siebenschlaefer AT LORELEY ~
$ diff -ur good bad

siebenschlaefer AT LORELEY ~
$

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Gerrit Peter Haase
ID: 0x28A05137
FP: 875C 745E 01CF 8A34 2767  BE39 305E 5261 28A0 5137

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