Close the current batch script, exit the current subroutine or close the CMD.EXE session, optionally setting an errorlevel.
To close an interactive command prompt, the keyboard shortcut ALT + F4 is an alternative to typing EXIT.
Errorlevel
EXIT /b has the option to set a specific errorlevel, EXIT /b 0 for sucess, EXIT /b 1 (or greater) for an error.
The exit code can be an integer of up to 10 digits in length (positive or negative).
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- Close the current batch script, exit the current subroutine or close the CMD.EXE session, optionally setting an errorlevel. Syntax EXIT /B exitCode Key /B When used in a batch script, this option will exit only the script (or subroutine) but not CMD.EXE If executed on the command-line it will close CMD.exe exitCode Sets the%ERRORLEVEL% to a numeric number.
EXIT without an ExitCode acts the same as goto:eof and will not alter the ERRORLEVEL
n.b. You should never attempt to directly write to the %ERRORLEVEL% variable, (SET ERRORLEVEL n ) instead use EXIT /b n as a safe way to set the internal ERRORLEVEL pseudo variable to n.
Ctrl-C
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An errorlevel of -1073741510 will be interpreted by CMD.exe as a Ctrl-C Key sequence to cancel the current operation, not the entire script which EXIT will do.
Exit Path 1
To use this in a batch file, launch a new CMD session and immediately exit it, passing this errorlevel. The script will then act as though Ctrl-C had been pressed. Source and examples on DosTips.com.
::Ctrl-C
cmd /c exit -1073741510
When EXIT /b used with FOR /L, the execution of the commands in the loop is stopped, but the loop itself continues until the end count is reached. This will cause slow performance if the loop is (pointlessly) counting up to a large number.
In the case of an infinite loop, this EXIT /b behaviour will cause the script to hang until manually terminated with Ctrl + C
Exiting nested FOR loops, EXIT /b can be used to exit a FOR loop that is nested within another FOR loop.
This will only work if the inner FOR loop is contained in a separate subroutine, so that EXIT /b (or goto:eof) will terminate the subroutine.
Examples
Exit if a required file is missing:
@Echo Off
If not exist MyimportantFile.txt Exit /b
Echo If we get this far the file was found
Exit Path Ost
Set the errorlevel to 5:
@Echo Off
Call :setError
Echo %errorlevel%
Goto :eof
:setError
Exit /B 5
Use EXIT /b to exit a nested FOR loop (so skipping the values X,Y and Z), but still continue back to the main outer loop:
Exit Path 3
EXIT is an internal command.
If Command Extensions are disabled, the EXIT command will still work but may output a spurious 'cannot find the batch label' error.
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Related:
VERIFY - Provides an alternative method of raising an errorlevel without exiting.
TSKILL - End a running process.
Powershell: Exit - Exit Powershell or break - Exit a program loop.
Equivalent bash command (Linux):break - Exit from a loop.
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