Fix Windows Batch Return Error (Solved)

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Windows Batch Return Error


I've also updated my code per CodeMonkey, although I've never encountered a negative errorlevel in any of my batch-hacking on XP or Vista. START with /WAIT option 19 ERRORLEVEL inside IF 7 How can I set the exit code in Inno Setup? For example, an environment variable with a standard name can store the location that a particular computer system uses to store user profile this may vary from one computer system to 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 have a peek at this web-site

Sadly, even skilled Windows programmers overlook the importance of return codes. Another possible cause is that either gdi32.dll or user32.dll has failed to initialize. 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 Then there's no possibility of confusion, although anything which tries to use that environment variable will not work.

Batch File Exit Command

Since that makes a world of difference, could you please clarify that in an edit of your question? –Mihai Limbășan Apr 9 '09 at 14:58 add a comment| 6 Answers 6 says: September 26, 2008 at 12:19 pm Well, at least bash literally doesn't allow you to set the $? if not exist c:\lists.txt exit 7 if not defined userprofile exit 9 exit 0 Let’s assume we have another file called App.cmd that calls Find.cmd first. Logged To every complex question there is a simple answer and it is wrong- H.L.

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 This will only work if the inner FOR loop is contained in a separate subroutine, EXIT /b terminates the subroutine. 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" Return Value From Batch File If executed from outside a batch script, it will quit CMD.EXE exitCode specifies a numeric number.

In the batch file, it is always a good practice to use environment variables instead of constant values, since the same variable get expanded to different values on different computers. WaitForSingleObject( pi.hProcess, INFINITE ); int result = -1; if(!GetExitCodeProcess(pi.hProcess,(LPDWORD)&result)) { printf("GetExitCodeProcess() failed (%d)\n", GetLastError() ); } else printf("The exit code for '%ws' is %d\n",(LPTSTR)(strCmd.GetString()), result ); // Close process and thread Would anyone at Microsoft care to make the official CMD expansion into a useful function? 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

atoi(argv[0]) : 0; } … and then call it from batch? Exit /b Errorlevel What do I do when using cmd.exe on Windows? In the batch file , it is always a good practice to use environment variables instead of constant values. In the following batch file, after calling the Find.cnd find, it actually checks to see if the errorlevel is greater than 0.

Batch Set Errorlevel

Indicates that the specified path cannot be found. 5 5 Access is denied. What's this I hear about First Edition Unix being restored? Batch File Exit Command use EXIT /B < exitcodes > at the end of the batch file to return custom return codes. Batch File Exit Code 1 How to use sort on an awk print command?

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 Check This Out This document provides steps on how to return the error codes on .vb scripts, Powershell scripts and batch files. eddie says: September 27, 2008 at 8:14 am you know, Go To Statement Considered Harmful. Environment variable %ERRORLEVEL% contains the latest errorlevel in the batch file,which is the latest error codes from the last command executed. Windows Batch Errorlevel

Some Final Polish One small piece of polish I like is using return codes that are a power of 2. By default, the command processor will continue executing when an error is raised. 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 Source Why would you exit on error level 0? –AlikElzin-kilaka Feb 14 '15 at 8:56 Good answer, but 0 is the good case.

That worked for me :) –Timotei Jul 16 '12 at 18:56 2 nice catch. Batch File Exit Code 0 Trying start /wait didn't work. There's no global "on error goto" type of construct in cmd.exe/ batch.

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In the code, we have clearly mentioned that we if don’t find the file called lists.txt then we should set the errorlevel to 7. 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

Use (set errorlevel=) to clear the environment variable, allowing access to the true value of errorlevel via the %errorlevel% environment variable. For example, the diff program has three exit codes: 0 means the files are the same; 1 means the files are different; 2 means that something terrible happened. I have a program that returns -1 on errors). have a peek here So yeah. –harpo Aug 31 at 20:54 @system-PAUSE is there any difference between the first two 'if' shown? –user9999999 Sep 20 at 22:09 add a comment| up vote 152

See "if /?". Instead of using the console-based C++ launcher mentioned elsewhere, though, a simpler alternative is to start a windowed application using the command prompt's START /WAIT command. Looping through Command Line Arguments The ‘for’ statement can also be used for checking command line arguments. Seasonal Challenge (Contributions from TeXing Dead Welcome) Why does typography ruin the user experience?

What does "M.C." in "M.C. asked 6 years ago viewed 95287 times active 3 years ago Blog Stack Overflow Podcast #93 - A Very Spolsky Halloween Special Visit Chat Linked 0 CMD - Successful or not set BANKBALANCE=$1,000,000.00 "Hey, when I tried to withdraw the money, I got an insufficient funds error. To execute a follow-on command after sucess, we use the && operator: SomeCommand.exe && ECHO SomeCommand.exe succeeded!

wscript.quit will return custom return codes from the script Example: vb script for Copying File to a Folder dim filesys set filesys=CreateObject("Scripting.FileSystemObject") If filesys.FileExists("c:\samplefile.txt") Then filesys.CopyFile "c:\samplefile.txt", "C:\manageengine" All rights reserved. XCOPY, for instance can fail with errorlevels 1 to 5. A very helpful feature is the built-in DOS commands like ECHO, IF, and SET will preserve the existing value of %ERRORLEVEL%.

setlocal set dofoo=no if ERRORLEVEL 17 set dofoo=yes if ERRORLEVEL 18 set dofoo=no if "%dofoo%"=="yes" foo rem TASK 2: using only rem if "%ERRORLEVEL%"=="%n%" rem simulate rem But, as with FRED, that variable won't have any effect on the error level. Maybe cmd.exe builtin set could set its exit value to the value passed in instead of setting the environment variable when the variable being set in is named ERRORLEVEL? share|improve this answer edited Apr 4 at 16:06 DangerZone 9591821 answered Apr 9 '09 at 15:03 system PAUSE 17.7k164857 6 Is there a way to state it once for the

What's in Naboo's core, liquid water or plasma? Join them; it only takes a minute: Sign up How do I get the application exit code from a Windows command line? XCOPY, for instance can fail with errorlevels 1 to 5.