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# Windows Command Line Error Code

## Contents

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. IF %ERRORLEVEL% NEQ 0 EXIT /B %ERRORLEVEL% might be a better option. The first program/script must conform to the convention of returning 0 on success and non-0 on failure for this to work. windows-xp batch share|improve this question asked Oct 1 '10 at 4:47 Misha Moroshko 1,67361728 1 Also asked on Stackoverflow: How do I get the application exit code from a Windows Check This Out

Solutions? Exit will return custom return codes from the script Example: Powershell script for copying file to a folder $dest ="C: est" New-Item$dest -type directory -force \$source ="c:samplefile.txt" It is in form of boolean values, with 0 for success and 1 for failure. Why are spare wheels smaller than normal wheels?

## Windows Errorlevel

Conditional Execution Using the Return Code There’s a super cool shorthand you can use to execute a second command based on the success or failure of a command. So if you have two commands in the batch script and the first fails, the ERRORLEVEL will remain set even after the second command succeeds. How do I disable or lock lookup fields on a Visual Force page? Wanted the messages in WEVL to be custom, have the correct exit code, details, priorities, message, etc.

The only thing that worked is if errorlevel 1 (...) –AlikElzin-kilaka Apr 13 '15 at 12:59 3 Be aware, errorlevel is not an environment variable. Move the echo and exit to an else branch. –Samuel Mar 9 '15 at 23:27 Good point. Some Final Polish One small piece of polish I like is using return codes that are a power of 2. Cmd Return Code 1 Happened when checking %ERRORLEVEL% in a cmd file.

Checking Return Codes In Your Script Commands The environmental variable %ERRORLEVEL% contains the return code of the last executed program or script. Batch File Exit Command my matrix doesnt fit the page How do I disable or lock lookup fields on a Visual Force page? Here's a good summary of the pitfalls and subtleties. –Nick Westgate Jun 17 '15 at 6:18 | show 1 more comment up vote 6 down vote This really works when you http://steve-jansen.github.io/guides/windows-batch-scripting/part-3-return-codes.html We also pass a specific non-zero return code from the failed command to inform the caller of our script about the failure.

Will I encounter any problems as a recognizable Jew in India? Batch File Set Exit Code Here it is on GitHub logit.sh Some excerpts: usage: logit.sh [-h] [-p] [-i=n] [-s] example: logit.sh -p error -i 501 -s myscript.sh "failed to run the mount command" Here is 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 Why is 10W resistor getting hot with only 6.5W running through it?

## Batch File Exit Command

Happened when checking %ERRORLEVEL% in a cmd file. C++11 - typeid uniqueness Should the sole user of a *nix system have two accounts? Windows Errorlevel IF ERRORLEVEL n statements should be read as IF Errorlevel >= number i.e. Batch File Exit Code 1 To execute a follow-on command after sucess, we use the && operator: SomeCommand.exe && ECHO SomeCommand.exe succeeded!

The exit codes that are set do vary, in general a code of 0 (false) will indicate successful completion. http://introbuilder.net/batch-file/windows-command-prompt-error-code.php What's this I hear about First Edition Unix being restored? 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% A successful command returns a 0 while an unsuccessful one returns a non-zero value that usually can be interpreted as an Error Code. Cmd Set Errorlevel

share|improve this answer edited Aug 16 '11 at 12:44 svick 125k23196310 answered Dec 2 '08 at 18:09 Adam Rosenfield 243k66374494 6 It's not an actual environment variable (which is, obviously, Not the answer you're looking for? 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 this contact form A very helpful feature is the built-in DOS commands like ECHO, IF, and SET will preserve the existing value of %ERRORLEVEL%.

For example, you can test that an executable program or script is in your PATH by simply calling the program and checking for return code 9009. Errorlevel Codes but you need to catch that in the .bat and re-raise it to app1... share|improve this answer edited Oct 5 at 17:24 answered Jul 29 '14 at 16:08 Curtis Yallop 2,74121717 5 0 is good, right?

## Return Code Conventions By convention, command line execution should return zero when execution succeeds and non-zero when execution fails.

This documentation is archived and is not being maintained. Composition of Derangements Maximum server memory Why was Susan treated so unkindly? I got the following error: 0 was unexpected this time. –Misha Moroshko Oct 1 '10 at 5:13 2 @Misha: You may have tried it with the percent signs the way Windows Errorlevel Codes Browse other questions tagged windows command-line process cmd exit-code or ask your own question.

When an external command is run by CMD.EXE, it will detect the executable's return code and set the ERRORLEVEL to match. This is rare for scripts intended for interactive use, but, it can be super helpful when writing scripts you support but you don’t have access to the target systems. @ECHO OFF But you really need to know what the program returns on errors. navigate here The last command executed in the function or the script determines the exit status.

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