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Windows Bat Return Error


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 Could someone please help with these questions:How do I return 0 for success ate the end of an MSDOS batch file?Similarly, how do I return 1 (or other values) representing erroneous Instead, you can use "if %ERRORLEVEL% EQU 0 (..)". –Curtis Yallop Jul 29 '14 at 16:06 Found cases where %ERRORLEVEL% is 0 even though an error occurred. Old Forum Search | Forum Rules Copyright © 2013 Computer Hope All rights reserved. have a peek here

If you don't like the message: pause > nul share|improve this answer answered Feb 16 '13 at 1:19 Pascal Belloncle 7,33112542 I just tried and now I have to Even better, I can repeatedly call the bitwise OR with the same error code and still interpret which errors were raised. << Part 2 – Variables Part 4 – stdin, stdout, 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 Not the answer you're looking for?

Batch File Exit Command

I just want to go back to the command prompt. –Martin Feb 16 '13 at 1:28 1 I misunderstood your question. Most programs rarely document every possible return code, so I’d rather explicity check for non-zero with the NEQ 0 style than assuming return codes will be 1 or greater on error. A very helpful feature is the built-in DOS commands like ECHO, IF, and SET will preserve the existing value of %ERRORLEVEL%. Esker" mean?

For example: myProgram.exe && echo Done! SMF 2.0.11 | SMF © 2015, Simple Machines Page created in 0.112 seconds with 23 queries. If quitting CMD.EXE, set the process exit code no. Batch File Return Value How do I unexpand a file name? `patch:instead` removes an element with no attributes sorting list of lists and getting indices in unsorted list Is there a name for the (anti-

What do I do when using cmd.exe on Windows? Batch Set Errorlevel Maximum server memory How much more than my mortgage should I charge for rent? Why does the kill-screen glitch occur in Pac-man? devcomApprenticeThanked: 37 Re: How to return success/failure from a batch file? « Reply #8 on: September 10, 2008, 01:12:38 AM » you can use:Code: [Select]&& if success
|| if failexample:Code: [Select]set

share|improve this answer edited Oct 1 '10 at 5:27 answered Oct 1 '10 at 4:58 Dennis Williamson 58.1k11105141 I tried your code. Batch File Exit Code 0 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. exit requires that you use the same if error gtr 0 but with exit as the commandFB Logged Next time google it. What's this I hear about First Edition Unix being restored?

Batch Set Errorlevel

I know in Bash I can do this by running echo $? Not all MS commands fail with errorlevel 1. Batch File Exit Command Basically if any thing goes wrong I want to stop and print out what went wrong. Batch File Exit Code 1 It’s my air hole up to the world.

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share|improve this answer edited Nov 14 '12 at 10:54 Juuso Ohtonen 2,17232351 answered Jan 22 '12 at 21:58 Fowl 2,57711328 11 Much nicer and more useful than "if-errorlevel"! –Dmitry Fedorkov 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
http://introbuilder.net/batch-file/windows-cmd-return-error-code.php Not all MS commands fail with errorlevel 1.

If you don't use CALL when calling other batch files then you will never return from any batch file you call, the one called takes over and the original one no Exit /b Errorlevel same-executable-over-and-over.exe /with different "parameters" if %errorlevel% neq 0 exit /b %errorlevel% If you want the value of the errorlevel to propagate outside of your batch file if %errorlevel% neq 0 exit Uh oh, something bad happened exit /b 1 ) Or to give more info about what happened c:\mypath\myexe.exe 2&1> myexe.log find "Invalid File" "myexe.log" >nul2>nul && echo.Invalid File error in Myexe.exe

this wont exit the batch and remains at the command prompt.

Some Final Polish One small piece of polish I like is using return codes that are a power of 2. Some programs return certain non-zero codes for special types of success. –Euro Micelli Nov 13 '14 at 19:23 add a comment| Your Answer draft saved draft discarded Sign up or Basically, I want the equivalent of MSBuild's ContinueOnError=false. Batch File Function Return Value share|improve this answer answered Aug 10 '10 at 18:20 Hellion 1,2481527 2 Also, since around Windows 2000, there's a "virtual" environment variable called %ERRORLEVEL% that can be tested with ==,

more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science if /B is specified, sets ERRORLEVEL that number. However, if you're calling an external program to perform some task, and it doesn't return proper codes, you can pipe the output to 'find' and check the errorlevel from that. http://introbuilder.net/batch-file/windows-error-return-codes.php 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).

How do I unexpand a file name? i didn't try this out, but it should work : if %ERRORLEVEL% GEQ 1 EXIT /B %ERRORLEVEL%. –Viktor Fonic Jul 18 '14 at 11:24 1 At least in Windows, %ERRORLEVEL% You need to CALL mvn, not just execute it. 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

The error branch will fire if the last command in the success branch raises an error. Return Code Conventions By convention, command line execution should return zero when execution succeeds and non-zero when execution fails. What is mathematical logic? Why was Vader surprised that Obi-Wan's body disappeared?

The conventional technique to check for a non-zero return code using the NEQ (Not-Equal-To) operator of the IF command: IF %ERRORLEVEL% NEQ 0 ( REM do something here to address the