Just a block of code is not very helpful. –PoweredByOrange Sep 5 '13 at 23:48 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign Return Code Conventions By convention, command line execution should return zero when execution succeeds and non-zero when execution fails. Join them; it only takes a minute: Sign up Get error code from within a batch file up vote 27 down vote favorite 5 I have a batch file that runs Checking Return Codes In Your Script Commands The environmental variable %ERRORLEVEL% contains the return code of the last executed program or script. have a peek at this web-site
The positive values are a good idea because other callers may use the IF ERRORLEVEL 1 syntax to check your script. For example, create this .cmd file: @echo off echo Starting very complicated batch file... By default, the command processor will continue executing when an error is raised. To execute a follow-on command after sucess, we use the && operator: SomeCommand.exe && ECHO SomeCommand.exe succeeded! http://stackoverflow.com/questions/734598/how-do-i-make-a-batch-file-terminate-upon-encountering-an-error
share|improve this answer edited Oct 27 '14 at 14:34 answered Apr 9 '09 at 15:30 Mike Bethany add a comment| up vote 0 down vote We cannot always depend on ERRORLEVEL, Is there an illusion in the tutorial area? 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 Contact Failed Mail Donate Errorlevels The correct name for errorlevels would be return codes.
You'll need something more like: setlocal enabledelayedexpansion for %%f in (C:\Windows\*) do ( same-executable-over-and-over.exe /with different "parameters" if !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 When you hit an error like this the script stops dead. Batch File Exit Code 1 Windows NT4 and later: In NT4 use either COLOR00 or VERIFYOTHER2>NUL to set an errorlevel 1.
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 ==, 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
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 Bat File Error Handling 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 Securing a LAN that has multiple exposed external at Cat 6 cable runs? neq 0 exit /b !errorlevel! ) Edit: You have to check the error after each command.
Warning messages typically don’t effect the return code. https://www.manageengine.com/products/desktop-central/returning-error-code-on-scripts-how-to.html Errors in the syntax of constructs like if exists or for will cause the shell to stop executing a script. Return Error Code From Batch File wscript.quit
Why is the FBI making such a big deal out Hillary Clinton's private email server? http://speciii.com/batch-file/windows-bat-file-exit-on-error.html Please login or register.Did you miss your activation email? 1 Hour 1 Day 1 Week 1 Month Forever Login with username, password and session length Forum only search News: Home Not the answer you're looking for? All rights reserved. Batch File Exit Command
In Windows NT4 (and 2000?) this won't work, since the SET command itself will set an errorlevel (usually 0)! (As I learned from Charles Long, in XP the SET command no exit /b %errorlevel% See also question about exiting batch file subroutine. Trying start /wait didn't work. http://speciii.com/batch-file/windows-batch-exit-on-error.html It’s about a place you get out of.
Errorlevels are not a standard feature of every command. Batch File Return Value A small Kix "one liner" can be used too: EXIT $ErrLev If called by a batch like this: KIX32 ERRORLEVEL.KIX $ErrLev=23 it will return an errorlevel 23 (ERRORLEVEL.KIX would be the 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,
In the future, around year 2500, will only one language exist on earth? IF ERRORLEVEL construction has one strange feature, that can be used to our advantage: it returns TRUE if the return code was equal to or higher than the specified errorlevel. If executed from outside a batch script, it will quit CMD.EXE. Exit /b Errorlevel alfpsNewbie Experience: Expert OS: Windows 7 Re: How to return success/failure from a batch file? « Reply #12 on: December 06, 2014, 08:01:33 AM » Quote from: grevesz on September 09,
If we need to check every errorlevel, though, there are better alternatives. Why is the size of my email about a third bigger than the size of its attached files? Mencken fireballsApprentice Code:TerminalThanked: 3 Re: How to return success/failure from a batch file? « Reply #5 on: September 09, 2008, 06:20:39 PM » Quote from: Sidewinder on September 09, 2008, 06:12:06 http://speciii.com/batch-file/windows-batch-exit-with-error-code.html To close an interactive command prompt, the keyboard shortcut ALT + F4 is an alternative to typing EXIT.
SMF 2.0.11 | SMF © 2015, Simple Machines Page created in 0.135 seconds with 23 queries. In DOS for the rest of us, we can use FOR loops to determine the errorlevel: @ECHO OFF REM Reset variables FOR %%A IN (1 10 100) DO SET ERR%%A= REM 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.