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. Indicates that the specified path cannot be found. 5 5 Access is denied. Some Final Polish One small piece of polish I like is using return codes that are a power of 2. windows-xp batch share|improve this question asked Oct 1 '10 at 4:47 Misha Moroshko 1,63861628 1 Also asked on Stackoverflow: How do I get the application exit code from a Windows http://onlinetvsoftware.net/batch-file/batch-file-return-error-code-1.php
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 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 If you exit Cmd.exe, Cmd.exe sets the process exit code with the specified ExitCode. All rights reserved.
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. CloseHandle( pi.hProcess ); CloseHandle( pi.hThread ); return result; } share|improve this answer edited Aug 16 '11 at 12:44 svick 123k23194304 answered Jun 25 '10 at 17:05 dmihailescu 8941012 add a comment| 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. To know about Environment variable see the below note.
The content you requested has been removed. If quitting CMD.EXE, set the process exit code no. use EXIT /B < exitcodes > at the end of the batch file to return custom return codes. Batch File Exit Command share|improve this answer answered Jul 29 '14 at 16:08 Curtis Yallop 2,67121717 5 0 is good, right?
Join them; it only takes a minute: Sign up How do I get the application exit code from a Windows command line? Additionally, implementations can also be done in Batch Script to alter the flow of control in a program’s logic. Call Find.cmd if errorlevel gtr 0 exit echo “Successful completion” Output In the above program, we can have the following scenarios as the output − If the file c:\lists.txt does not Return Code Conventions By convention, command line execution should return zero when execution succeeds and non-zero when execution fails.
use EXIT /B < exitcodes > at the end of the batch file to return custom return codes. Batch File Check Errorlevel I was thinking more along the line where b.bat would abort early based on some condition:b.batCode: [Select]if not exist c:\file.ext exit 7
if not defined userprofile exit 9
a.bat If quitting CMD.EXE, sets the process exit code with that number. Top of page Remarks If you use /b outside of a batch script, it will exit Cmd.exe.
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 see more linked questions… Related 641How to pass command line parameters to a batch file?294How can you find and replace text in a file using the Windows command-line environment?349How to get Batch File Commands Return Code In the batch file , it is always a good practice to use environment variables instead of constant values. Windows Batch Return Error All Rights Reserved.
However, I don’t use this technique because programs can return negative numbers as well as positive numbers. this content Errorlevels EXIT /b has the option to set a specific errorlevel, 0 for sucess, 1 or greater for an error. Use EXIT /B < exitcodes > at the end of the batch file to return custom return codes. 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. Batch Error Code 1
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
start /wait notepad.exe –dmihailescu Jan 23 '13 at 18:48 1 Great answer! Consider using !errorlevel! weblink Let’s look at a quick example on how to check for error codes from a batch file.
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 Batch File Exit Code 1 How to deal with a really persuasive character? share|improve this answer edited Oct 1 '10 at 5:27 answered Oct 1 '10 at 4:58 Dennis Williamson 57.4k10100135 I tried your code.
Since the same variable get expanded to different values on different computers. if /B is specified, sets ERRORLEVEL that number. What do I do when using cmd.exe on Windows? Batch Set 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,
This return code tells me that both errors were raised. The first program/script must conform to the convention of returning 0 on success and non-0 on failure for this to work. If executed from outside a batch script, it will quit CMD.EXE exitCode specifies a numeric number. check over here 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
If executed from outside a batch script, it will quit CMD.EXE exitCode specifies a numeric number. 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 SidewinderGuruThanked: 123 Experience: Familiar OS: Other Re: How to return success/failure from a batch file? « Reply #6 on: September 09, 2008, 06:51:56 PM » Quoteexit requires that you use the asked 7 years ago viewed 395022 times active 1 month ago Linked 13 print exit code in cmd in windows os 6 What is the Windows/cmd.exe equivalent of Linux/bash's $? —
Too bad DOS doesn’t support constant values like Unix/Linux shells. When a batch script returns a non-zero value after the execution fails, the non-zero value will indicate what is the error number. Indicates that the file cannot be found in specified location. 4 3 The system cannot find the path specified. Exit
Environment variable %ERRORLEVEL% contains the latest errorlevel in the batch file,which is the latest error codes from the last command executed.