SomeCommand.exe || EXIT /B 1 A simliar technique uses the implicit GOTO label called :EOF (End-Of-File). SidewinderGuruThanked: 123 Experience: Familiar OS: Other Re: How to return success/failure from a batch file? « Reply #6 on: September 09, 2008, 06:51:56 PM » Quoteexit requires that you use the set result=0 find /I "whatever" temp.txt set result=%ERRORLEVEL% REM Now do a bunch of IF statements based on the error level value, but checking %ERRORLEVEL%, some of which would set a Most programmers agree that an errorlevel 0 means the command executed successfully, and an errorlevel 1 or higher usually spells trouble. this content
Thanks very much! –The Mask May 28 '14 at 0:56 1 Another reason why it might not work (always zero) is when it's inside an if or for. 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 exitCode Sets the %ERRORLEVEL% to a numeric share|improve this answer answered Feb 28 '15 at 19:33 jonretting 36415 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign This return code tells me that both errors were raised.
rem setlocal set dofoo=yes set i=0 :STARTLOOP if "%i%"=="17" goto EXITLOOP if "%ERRORLEVEL%"=="%n%" set dofoo=no set /a i = %i% + 1 goto STARTLOOP :EXITLOOP if "%dofoo%"=="yes" foo But as Andrew SomeFile.exe IF %ERRORLEVEL% EQU 9009 ( ECHO error - SomeFile.exe not found in your PATH ) It’s hard to know this stuff upfront – I generally just use trial and error A successful command returns a 0 while an unsuccessful one returns a non-zero value that usually can be interpreted as an Error Code. Start checking the highest errorlevel that can be expected, then check for the one below, etcetera: IF ERRORLEVEL 255 GOTO Label255
IF ERRORLEVEL 254 GOTO Label254
This blog entry by Batcheero explains perfectly why you should never SET the ERRORLEVEL variable. Is a "object constructor" a shorter name for a "function with name `object` returning type `object`"? Example: Batch file for Copying File to a Folder md "C:manageengine" copy "\\sharename\foldername\samplefile.txt" "C:\manageengine" exit /b %ERRORLEVEL% Exit codes for powershell script Use the command Exit $LASTEXITCODE at the end of Batch Set Errorlevel Not all MS commands fail with errorlevel 1.
Returns the error code of the most recently used command. Batch File Check Errorlevel To close an interactive command prompt, the keyboard shortcut ALT + F4 is an alternative to typing EXIT. This will cause slow performance if the loop is (pointlessly) counting up to a large number. share|improve this answer answered Apr 19 '13 at 5:07 Sam Jones 4701718 3 it could be even better if you returned the same error back to app1.
Thanks] Related stuff • Use EXIT in Windows 2000 (and later) to set errorlevels. • See how errorlevels are used to check the availability of third party tools, and how Echo Errorlevel What if that process hasn't exited yet? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed How to align a set of very long equations Does SQL Server cache the result of a multi-statement table-valued function?
Is the computer cheating at Dice Poker? Sadly, even skilled Windows programmers overlook the importance of return codes. Windows Batch File Return Code The safest way to use errorlevels for all DOS versions is the reverse order check. Batch File Exit Command How do I install Python 3.6 using apt-get?
EXIT without an ExitCode acts the same as goto:eof and will not alter the %ERRORLEVEL% You should never attempt to directly write to the %ERRORLEVEL% variable, (SET errorlevel...) instead use the http://jscience.net/batch-file/batch-file-commands-return-code.html Not all MS commands fail with errorlevel 1. If > 0, then the .bat exits and sets errorlevel to 1 for the calling app1. Is using Basic Authentication in an iOS App safe? Errorlevel Codes
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 Set the errorlevel to 5 This will only work if the inner FOR loop is contained in a separate subroutine, EXIT /b terminates the subroutine. How can I slow down rsync? have a peek at these guys wscript.quit
start /wait something.exe echo %errorlevel% share|improve this answer edited Sep 3 '15 at 18:38 anatoly techtonik 7,47615670 answered Jul 13 '12 at 18:57 Gary 1,84511215 14 Thanks a lot for Batch File Exit Code 1 Does SQL Server cache the result of a multi-statement table-valued function? if /B is specified, sets ERRORLEVEL that number.
Statements about groups proved using semigroups Implementing realloc in C Where does metadata go when you save a file? Ideal way to focus for portrait photography using a prime lens with narrow depth of field? Let me try to explain it in a different way:a.bat calls b.bat and when b.bat completes, a.bat continues with steps depending on whether b.bat succeeded or failed.a.bat:Code: [Select]rem some code here
You just have to understand that it's a fallback and not an actual variable. -Raymond] Adam says: September 26, 2008 at 10:49 am I feel like have a special shell builtin How does the FAA determine which format of location identifier to assign to an airport? Second order SQL injection protection A rude security guard How do I prevent flight in a cyberpunk future? http://jscience.net/batch-file/windows-batch-command-return-code.html Steps Exit codes for batch files Use the command EXIT /B %ERRORLEVEL% at the end of the batch file to return the error codes from the batch file EXIT /B at
Some Final Polish One small piece of polish I like is using return codes that are a power of 2. Click here it's easy and free. if /B is specified, sets ERRORLEVEL that number. Seems unfair that the microsoft tool gets fancy environment variable expansion, but the only API exposed does plain and ordinary expansion. (*) Really just the "Comments" section, not the entry itself.
Make an interweaving quine Effects of bullets firing while in a handgun's magazine 9-year-old received tablet as gift, but he does not have the self-control or maturity to own a tablet The only thing that worked is if errorlevel 1 (...) –AlikElzin-kilaka Apr 13 '15 at 12:57 %errorlevel% seems not to be available in power shell though... –Ghita May 27 If executed from outside a batch script, it will quit CMD.EXE exitCode specifies a numeric number. If quitting CMD.EXE, sets the process exit code with that number.yes there are instances where the errorlevel won't be 1 choice returns 254 if there's
So "errorlevel 0" will match everything. To execute a follow-on command after failure, we use the || operator: SomeCommand.exe || ECHO SomeCommand.exe failed with return code %ERRORLEVEL% I use this technique heavily to halt a script when
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