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Dos Shell Error Code


instead, as described in this answer. –romkyns Apr 8 '15 at 22:36 add a comment| up vote 70 down vote Use the built-in ERRORLEVEL Variable: echo %ERRORLEVEL% But beware if an They only generate one of these at a time but could eventually output all 256 numbers. in the "past". 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 navigate here

This blog entry by Batcheero explains perfectly why you should never SET the ERRORLEVEL variable. SMF 2.0.11 | SMF © 2015, Simple Machines Page created in 0.137 seconds with 23 queries. Despite the term "exit codes", "ERRORLEVEL" is used for the tests. The preceding exits codes were for the FreeDOS "FIND" command. http://steve-jansen.github.io/guides/windows-batch-scripting/part-3-return-codes.html

Windows Batch File Return Code

To check errorlevels during batch file development, use either COMMAND/Zyourbatch.bat to display the errorlevel of every command executed in MS-DOS 7.* (Windows 95/98), or PROMPTErrorlevel$Q$R$_$P$G in OS/2 Warp (DOS) sessions. Authoritative source that <> and != are identical in performance in SQL Server Restarting Mathematica automatically What's the fastest way to generate a 1 GB file containing only random numbers? Should I be concerned about "security"? The second means that FIND looked through the specified text but did not find the search string.

share|improve this answer edited Oct 5 at 17:24 answered Jul 29 '14 at 16:08 Curtis Yallop 2,77121717 5 0 is good, right? If /B is specified, sets ERRORLEVEL that number. if you use Code: [Select]if errorlevel gtr 0 exit /b [1] anything over errorleve==1 would exit with exit code 1FB Logged Next time google it. Cmd Set Errorlevel This string could be a series of numbers, characters, or words.

Let's look closer at the CHOICE command. Cmd Exit /b XCOPY, for instance can fail with errorlevels 1 to 5. Be aware that other DOSes may use different codes or not generate a code other than `0' regardless of an operation's results. start /wait something.exe echo %errorlevel% share|improve this answer edited Sep 3 '15 at 18:38 anatoly techtonik 7,27615470 answered Jul 13 '12 at 18:57 Gary 1,77511115 14 Thanks a lot for

What difficulty would the Roman Empire have besieging a fantasy kingdom's 49m wall? Batch File Exit Code 1 Thus, tests are done in descending order. (Note that there is a way to do the tests in ascending order but it means much longer lines of code. Purpose of having good credit when you are well-off? Browse other questions tagged windows-xp batch or ask your own question.

Cmd Exit /b

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 check this link right here now Look in your DOS manual or on-screen help, or do an Internet search. Windows Batch File Return Code If neither of these numbers are generated, an error level of `0' has occurred meaning the word "Canada" has been found, and so the batch file goes to the "PRINT" section. Dos Errorlevel To close an interactive command prompt, the keyboard shortcut ALT + F4 is an alternative to typing EXIT.

Indicates that the application has been terminated either by user's keyboard input CTRL+C or CTRL+Break or closing command prompt window.3221225794
-1073741502The application failed to initialize properly. http://sammcallister.com/batch-file/dos-shell-error-handling.html 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 Logged " All generalizations are false, including this one. " Print Pages: [1] Go Up « previous next » Computer Hope » Microsoft » Microsoft DOS » How to 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 Errorlevel Codes

You would have specific instructions for each possible outcome that the program might present upon its completion. 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 For What Purposes Can Exit Codes be Used? his comment is here Other, but less-used terms are "Return Values" or "Return Codes".

As already touched upon above, generally, no. Return Value From Batch File Logged To every complex question there is a simple answer and it is wrong…- H.L. They even vary from command version to version.

It is not being presented here as it might potentially add confusion to this discussion.) Could You Give Another Example?

Did people in China resort to cannibalism during the reign of Mao? Error can indicate a bug in the executed software that causes stack overflow, leading to abnormal termination of the software.3221225725
-1073741571Stack overflow / exhaustion. If there is a problem, the batch file branches to the "PROBLEM" section, places some text on the screen via ECHO commands and then ends. Batch File Set Exit Code Description Every command or script returns with the status of execution, which is referred as return status or exit codes.

Why doesn't find . -delete delete current directory? Wanted the messages in WEVL to be custom, have the correct exit code, details, priorities, message, etc. If implemented well, the result will be achievement of a higher DOS Power-User status. weblink If the word is not found, the batch file is directed to end.

How can I get bash/zsh to change some text from "foo.foo.foo" to "foo foo foo" with a script/alias?