Not the answer you're looking for? rem TASK 1: using only rem if ERRORLEVEL n rem simulate rem if "%ERRORLEVEL%"=="%n%" rem … specifically, execute command foo under the specific condition rem that the if( !CreateProcess( NULL, // No module name (use command line) (LPTSTR)(strCmd.GetString()), // Command line NULL, // Process handle not inheritable NULL, // Thread handle not inheritable FALSE, // Set handle inheritance Or use CHOICE.COM, available in all DOS6.* and up versions, to set an errorlevel: ECHO 5 | CHOICE /C:1234567890 /N and ECHO E | CHOICE /C:ABCDEFGHIJ /N will both result in http://buzzmeup.net/batch-file/return-error-code-from-batch-file.html
A very simple way to halt on error is to use the EXIT command with the /B switch (to exit the current batch script context, and not the command prompt process). Previous Page Print Next Page Advertisements Write for us FAQ's Helping Contact © Copyright 2016. The syntax couldn't be simpler: ERRORLVL number or SETERLEV number where number can be any number from 0 to 255. S.No Loops & Description 1 While Statement Implementation There is no direct while statement available in Batch Script but we can do an implementation of this loop very easily by using
if /B is specified, sets ERRORLEVEL that number. SomeCommand.exe || GOTO :EOF Tips and Tricks for Return Codes I recommend sticking to zero for success and return codes that are positive values for DOS batch files. This will only work if the inner FOR loop is contained in a separate subroutine, EXIT /b terminates the subroutine. But you can't change directories by saying set CD=C:\Windows.
Why is engine displacement frequently a few CCs below an exact number? 5 Favorite Letters I was allowed to enter the airport terminal by showing a boarding pass for a future Related 470Batch file to delete files older than N days402How can you echo a newline in batch files?490Windows batch files: .bat vs .cmd?480How do I get the application exit code from I also recommend documenting your possible return codes with easy to read SET statements at the top of your script file, like this: SET /A ERROR_HELP_SCREEN=1 SET /A ERROR_FILE_NOT_FOUND=2 Note that Cmd Set Errorlevel If I didn’t have the music I’d be under water, dead” ~ Fiona Apple Related: VERIFY - Provides an alternative method of raising an errorlevel without exiting TSKILL - End a
Following are the common exit code and their description. A windowed application will run in the background, and control will return immediately to the command prompt (most likely with an ErrorLevel of zero to indicate that the process was created How do I get the last lines of dust into the dustpan? http://stackoverflow.com/questions/3452046/get-error-code-from-within-a-batch-file I did not know about that command.
EXIT /B at the end of the batch file will stop execution of a batch file. Batch File Exit Code 1 This was an issue I fought with a few months ago on an embedded system running DOS (real DOS, not CMD.EXE). 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 myProgram.exe || PAUSE would cause the batch file to pause if myProgram.exe returns a non-zero error level.
Move the echo and exit to an else branch. –Samuel Mar 9 '15 at 23:27 Good point. To close an interactive command prompt, the keyboard shortcut ALT + F4 is an alternative to typing EXIT. Windows Batch File Return Code However, I don’t use this technique because programs can return negative numbers as well as positive numbers. Cmd Errorlevel Some Final Polish One small piece of polish I like is using return codes that are a power of 2.
eddie says: September 27, 2008 at 8:14 am you know, Go To Statement Considered Harmful. check over here So you can include the error level in a log file: ECHO error level is %ERRORLEVEL%>logfileSo you can perform other types of tests against the error level, for example, to If quitting CMD.EXE, set the process exit code no. This will start the windowed application, wait for it to exit, and then return control to the command prompt with the exit status of the process set in ErrorLevel. Errorlevel Codes
The first program/script must conform to the convention of returning 0 on success and non-0 on failure for this to work. start /wait something.exe echo %errorlevel% share|improve this answer edited Sep 3 '15 at 18:38 anatoly techtonik 7,26615470 answered Jul 13 '12 at 18:57 Gary 1,77511115 14 Thanks a lot for You have to code for halting on error. his comment is here if you use Code: [Select]if errorlevel gtr 0 exit /b  anything over errorleve==1 would exit with exit code 1FB Logged Next time google it.
The safest way to use errorlevels for all DOS versions is the reverse order check. Windows Errorlevel Codes Other than that, you can pipe the output of javaw to a file, then use find to see what the results were. But since the DOS command to determine the return code is IF ERRORLEVEL, most people use the name errorlevel.
call /? It’s about a place you get out of. Syntax IF %ERRORLEVEL% NEQ 0 ( DO_Something ) It is common to use the command EXIT /B %ERRORLEVEL% at the end of the batch file to return the error codes from weblink If you file a change-of-address form for yourself, that doesn't affect packages sent to your neighbor.