--> setlocal
This is stdout stream 1.
This is stderr stream 2.
This is stdout stream 3.


--> (rem echo hello )  & echo hello
hello


--> rem CD: "C:\test" 


--> rem %*:  


--> for %A in (1 2 3) do (
rem remark  
 echo(%A
)


--> (
rem remark  
 echo(1
)
1


--> (
rem remark  
 echo(2
)
2


--> (
rem remark  
 echo(3
)
3


--> echo Error line1. 1>&2
Error line1.


--> rem Get first name of the user. 


--> set "first="


--> set /p "first=First Name: " 1>&3
First Name: Jon


--> echo "Jon"
"Jon"


--> echo Error line2. 1>&2
Error line2.


--> rem Get last name of the user. 


--> set "last="


--> set /p "last=Last Name: " 1>&3
Last Name: Doe


--> echo "Doe"
"Doe"


--> echo Press only return at pause
Press only return at pause


--> pause1>&3
Press any key to continue . . .



--> rem Print greeting with first and last name. 


--> echo Hello Jon Doe
Hello Jon Doe


--> echo Error line3. 1>&2
Error line3.


--> rem Prompt the user to end. 


--> set "reply=y"


--> set /p "reply=Ready to end? [y|n]: " 1>&3
Ready to end? [y|n]: y


--> echo "y"
"y"


--> if /I "y" == "y" (
rem Good finish.  
 echo Bye
)  else if /I "y" == "n" (
rem Alternative finish.  
 echo Nice try, bye
)  else echo ... bye
Bye


--> exit /b 1