Funny Windows 11 Non-Glitch

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GeoffVass
Posts: 2
Joined: 04 Oct 2021 17:34

Funny Windows 11 Non-Glitch

#1 Post by GeoffVass » 04 Oct 2021 17:39

Just found one of my scripts broke on Windows 11.
I had something like this:

Code: Select all

SetLocal EnableDelayedExpansion
<do some stuff>
if defined Result (echo Success) else (echo Failure!!)
EndLocal
This has always worked, but on Windows 11 it glitches. You can probably guess the

Code: Select all

!!
in the echo command is the culprit.

Squashman
Expert
Posts: 4327
Joined: 23 Dec 2011 13:59

Re: Funny Windows 11 Non-Glitch

#2 Post by Squashman » 04 Oct 2021 21:45

Not explicitly understanding what you think the glitch is? There has always been an issue with displaying exclamations when delayed expansion is enabled.

GeoffVass
Posts: 2
Joined: 04 Oct 2021 17:34

Re: Funny Windows 11 Non-Glitch

#3 Post by GeoffVass » 04 Oct 2021 23:28

The glitch is that I should never have used exclamation marks cosmetically. But it used to work, and now doesn't. So either Microsoft has fixed a bug in Windows 11, or introduced one. Anyway I've just removed the exclamation marks. My point is that it's weird to find some changed behavior in CMD.EXE so quickly.

aGerman
Expert
Posts: 4290
Joined: 22 Jan 2010 18:01
Location: Germany

Re: Funny Windows 11 Non-Glitch

#4 Post by aGerman » 05 Oct 2021 02:18

You are showing us a piece of code but not what you get on Win 11 in comparison to what you got on Win 10 ¯\_(ツ)_/¯

Code: Select all

@echo off

SetLocal EnableDelayedExpansion
set "Result="
if defined Result (echo Success) else (echo Failure!!)

set "Result=X"
if defined Result (echo Success) else (echo Failure!!)
EndLocal

pause
Output on Win10:

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Failure
Success
Drücken Sie eine beliebige Taste . . .
Of course it's absolutely expected that the exclamation points are removed because they are treated as an empty/undefined variable if delayed expansion is enabled.
So if you take this example and run it on Win 11, what's the difference?

Steffen

aGerman
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Posts: 4290
Joined: 22 Jan 2010 18:01
Location: Germany

Re: Funny Windows 11 Non-Glitch

#5 Post by aGerman » 05 Oct 2021 12:45

Alright, let me answer this question myself. Installed Win 11, ran the script, and the output is

Code: Select all

Failure
Success
Drücken Sie eine beliebige Taste . . .
The difference is that it shows up in a console window with round corners :lol:

Steffen

Squashman
Expert
Posts: 4327
Joined: 23 Dec 2011 13:59

Re: Funny Windows 11 Non-Glitch

#6 Post by Squashman » 05 Oct 2021 12:52

aGerman wrote:
05 Oct 2021 12:45
The difference is that it shows up in a console window with round corners :lol:
I draw the line on round corners. Never upgrading to Windows 11!!

atfon
Posts: 107
Joined: 06 Oct 2017 07:33

Re: Funny Windows 11 Non-Glitch

#7 Post by atfon » 05 Oct 2021 13:05

Squashman wrote:
05 Oct 2021 12:52
aGerman wrote:
05 Oct 2021 12:45
The difference is that it shows up in a console window with round corners :lol:
I draw the line on round corners. Never upgrading to Windows 11!!
Maybe write a script that converts round corners to square? :wink:

aGerman
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Posts: 4290
Joined: 22 Jan 2010 18:01
Location: Germany

Re: Funny Windows 11 Non-Glitch

#8 Post by aGerman » 05 Oct 2021 13:28

:lol: I'm far too pragmatic to get upset about those details. As long as everything works I'm still ok if they make concave corners having flourish. After a few days I don't even notice it anymore :wink:

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