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Win Executable Return Code


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, 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. 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

This will cause slow performance if the loop is (pointlessly) counting up to a large number. Happened when checking %ERRORLEVEL% in a cmd file. Retrieved 2012-07-09. ^ "Java 1.6.0 API". To execute a follow-on command after sucess, we use the && operator: SomeCommand.exe && ECHO SomeCommand.exe succeeded!

Batch File Exit Command

How smart is the original Ridley Scott Xenomorph really? True PS >$lastExitCode 0 PS >ping missing-host Ping request could not find host missing-host. 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

Try it without them or try the other versions I added. –Dennis Williamson Oct 1 '10 at 5:24 Great, thanks a lot !! –Misha Moroshko Oct 1 '10 at This type of compare ("%errorlevel%=="0") becomes dubious at best.B.bat can use the exit statement to pass a return code (errorlevel) back to a.bat.QuoteQuits the CMD.EXE program (command interpreter) or the current 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 Batch File Exit Code 1 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

User Interaction 13. Windows Errorlevel Not the answer you're looking for? In DOS, this may be referred to as an errorlevel. Since New York doesn't have a residential parking permit system, can a tourist park his car in Manhattan for free?

share|improve this answer edited Aug 9 at 16:11 Dave Jarvis 17k26107211 answered Dec 2 '08 at 18:07 Samuel Renkert 7,06321626 18 If you're running directly from a Windows command line Exit /b Errorlevel With older wait interfaces, the visible exit code only contains the low 8 bits of the exit code. Dev centers Windows Office Visual Studio Microsoft Azure More... Retrieved from "" Categories: Process (computing)Hidden categories: CS1 errors: external links Navigation menu Personal tools Not logged inTalkContributionsCreate accountLog in Namespaces Article Talk Variants Views Read Edit View history More Search

Windows Errorlevel

If executed from outside a batch script, it will quit CMD.EXE exitCode specifies a numeric number. windows command-line unix share|improve this question asked Mar 23 '10 at 3:44 Steven 84442534 add a comment| 1 Answer 1 active oldest votes up vote 12 down vote accepted Use the Batch File Exit Command When computer programs are executed, the operating system creates an abstract entity called a process in which the book-keeping for that program is maintained. Cmd Set Errorlevel SET /A ERROR_HELP_SCREEN=1 SET /A ERROR_FILE_NOT_FOUND=2 SET /A ERROR_FILE_READ_ONLY=4 SET /A ERROR_UNKNOWN=8 This gives me the flexibility to bitwise OR multiple error numbers together if I want to record numerous problems

If > 0, then the .bat exits and sets errorlevel to 1 for the calling app1. How do I dehumanize a humanoid alien? Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. Errorlevel Codes

Do EU residents need visa to travel to USA? Structured Files 9. And, no, I'm not Steve Jansen the British jazz drummer, though that does sound like a sweet career. check over here Not all MS commands fail with errorlevel 1.

How to remember high E on Guitar for tuning Was Judea as desertified 2000 years ago as it is now? Cmd Return Code 1 POSIX-compatible systems typically use a convention of zero for success and non zero for error.[8] Some conventions have developed as to the relative meanings of various error codes; for example GNU Politely asking for more work as an intern Since New York doesn't have a residential parking permit system, can a tourist park his car in Manhattan for free?

Mencken fireballsApprentice Code:TerminalThanked: 3 Re: How to return success/failure from a batch file? « Reply #7 on: September 09, 2008, 06:57:18 PM » Quote from: Sidewinder on September 09, 2008, 06:51:56

Retrieved 2007-08-26. ^ "Shell command language - Exit Status for commands". We appreciate your feedback. Privacy policy About Wikipedia Disclaimers Contact Wikipedia Developers Cookie statement Mobile view You are previewing Windows PowerShell Cookbook. Exit Code 9009 Comparing Data 20.

That worked for me :) –Timotei Jul 16 '12 at 18:56 2 nice catch. Happened when checking %ERRORLEVEL% in a cmd file. Too bad DOS doesn’t support constant values like Unix/Linux shells. this content Example @echo off my_nify_exe.exe if errorlevel 1 ( echo Failure Reason Given is %errorlevel% exit /b %errorlevel% ) Warning: If you set an environment variable name errorlevel, %errorlevel% will return that

Strings and Unstructured Text 6. 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 Win32-based) from a command prompt. Environmental Awareness 15.

Logged To every complex question there is a simple answer and it is wrongů- H.L. PowerShell Language and Environment B. Event Logs 21. The process that spawns another is called a parent process, while those created are child processes.

up vote 9 down vote favorite 2 Is there something like Unix's echo $? If a command is not found, the shell should return a status of 127. A solution to do it in C++ looks like below: #include "stdafx.h" #include "windows.h" #include "stdio.h" #include "tchar.h" #include "stdio.h" #include "shellapi.h" int _tmain( int argc, TCHAR *argv[] ) { CString Example 1-7 demonstrates this interaction.Example 1-7. Interacting with the $lastExitCode and $?