How to set a timeout/pause command without a message in batch?

Question

While I was making my small batch game I thought of implementing a "auto dialog" function. Here it is:

:Background_Work
SET /p Auto_Text=Would you like to have auto dialog on or off (y/n)?
IF '%Auto_Text%'=='y' GOTO Auto_Yes
IF '%Auto_Text%'=='n' GOTO Auto_No
:Auto_Yes
SET TMode=TIMEOUT /t 7 /nobreak
GOTO Speech_Start
:Auto_No
SET TMode=PAUSE
GOTO Speech_Start

Here is what happens after the "auto dialog" function:

:Speech_Start
ECHO Hello, my name is ZERO.
%TMode%

Everything works, if I were to input "y" then it will display the part under ":Speech_Start" as:

Hello, my name is ZERO.

Waiting for 7 seconds, press CTRL+C to quit...

and if I were to input "n" then it will display it as:

Hello, my name is ZERO.

Press any key to continue . . .

The issue I have is, I cant seam to get rid of the TIMEOUT and PAUSE messages. I have tried changing the "auto dialog" function to this:

:Background_Work
SET /p Auto_Text=Would you like to have auto dialog on or off (y/n)?
IF '%Auto_Text%'=='y' GOTO Auto_Yes
IF '%Auto_Text%'=='n' GOTO Auto_No
:Auto_Yes
SET TMode=TIMEOUT /t 7 /nobreak > NUL
GOTO Speech_Start
:Auto_No
SET TMode=PAUSE > NUL
GOTO Speech_Start

But it still displays the default messages. Anyone know how to get rid of them?

Magoo did you even read the entire post? I said I tried changing it to: SET TMode=TIMEOUT /t 7 /nobreak > NUL and SET TMode=PAUSE > NUL — Greed
– Greed, Commented Jun 29, 2017 at 21:10
Nope. Read it just as far as the problem appeared to be. Was expecting the current code as the first item. Oh, well. The problem is that > is a redirector - a special character. If you were to try set tmode before the %tmode% you'd see that tmode doesn't have the >nul. Since > is a special character, you need to escape it with a caret if it's not being used as a redirector. Try SET TMode=PAUSE ^> NUL or preferably SET "TMode=PAUSE ^> NUL" (the quotes ensure unwanted trailing spaces are not included in the value assigned). — Magoo
– Magoo, Commented Jun 29, 2017 at 21:20

user6250760 · Accepted Answer · 2017-06-30 02:17:49Z

1

As @Magoo says, in your second code snippet, there were two issues that are related to the timeout redirection.

SET TMode=TIMEOUT /t 7 /nobreak > NUL
SET TMode=PAUSE > NUL

In this case > NUL was used to redirect the set prompt to nul, and was not a part of the command. Now the batch file sees TMode as:

TIMEOUT /t 7 /nobreak

or

PAUSE > NUL

Solution A: Suggested by @Magoo

set "TMode=timeout /t 7 /nobreak ^> nul"

This solution escapes the > charactor, making > nul a part of the variable, not the redirection operator.

Solution B: Suggested by @PualH

%TMode% > nul

Very simple; just redirect the command output to nul. Note there is one con:

If you want to use multiple of these commands, you need to repeat > nul multiple times.

answered Jun 30, 2017 at 2:17

user6250760

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