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windows - Is it possible to redirect the output of a batch file inside the script?

I would like to set the standard output of a batch script to go to a file. I would like to do this inside the script if possible.

Note: I do not want to do this: foo.bat > StdOut.txt

I would like to do something inside the script to redirect the output to a file
For example:

foo.bat

:: Redirect standard output to StdOut.txt
:: Insert batch code to do what I want here.
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One way of doing it is the following. Use the call command to execute a label in the script. Edit I realized the first version I posted does not seem to work in a cmd.exe prompt (I was using TCC). The following seems to work in both command processors:

@echo off
call :testitout > t.tmp
goto:eof

:testitout
echo Hi There
echo Goodbye

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