Dos Error Checking
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Dos Error Code 1
if error is detected after each step. For safety reasons each script must return non zero value if error detected (to enable error detection if bat script is executed from other program as separate process). To check if error occured after execution of DOS command or after call of external program use this (tested on Windows XP): IF %ERRORLEVEL% NEQ 0 GOTO ERROR_HANDLER where ERROR_HANDLER is label (jump point) in your bat script which contains error handling part of code. Complete example: copy N files from location A to the B and after each step check for error, if error occured print 'Error' otherwise 'Sucess'. Note: 'exit 1' will cause command prompt to close, to avoid this, remove command 'exit 1': @ECHO OFFREM COPY all copy /Y D:\exe\appserver\release\appserver.exe" D:\AppServerDeployIF %ERRORLEVEL% NEQ 0 GOTO ERROR_HANDLER copy /Y "D:\
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Dos Error 53
more about Stack Overflow the company Business Learn more about hiring developers or dos error 2 posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow dos error handling Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Batch Files - Error Handling up vote 34 down http://www.mandrilo.com/index.php/mini-how-to-archive/149-windows-dos-batch-programming-error-handling vote favorite 2 I'm currently writing my first batch file for deploying an asp.net solution. I've been Googling a bit for a general error handling approach and can't find anything really useful. Basically if any thing goes wrong I want to stop and print out what went wrong. Can anyone give me any pointers? batch-file share|improve this question edited Apr 29 '14 at 11:28 John Saunders 138k20175321 asked http://stackoverflow.com/questions/1164049/batch-files-error-handling Jul 22 '09 at 9:15 bplus 2,87494574 add a comment| 5 Answers 5 active oldest votes up vote 34 down vote I generally find the conditional command concatenation operators much more convenient than ERRORLEVEL. yourCommand && ( echo yourCommand was successful ) || ( echo yourCommand failed ) There is one complication you should be aware of. The error branch will fire if the last command in the success branch raises an error. yourCommand && ( someCommandThatMayFail ) || ( echo This will fire if yourCommand or someCommandThatMayFail raises an error ) The fix is to insert a harmless command that is guaranteed to succeed at the end of the success branch. I like to use (call ), which does nothing except set the ERRORLEVEL to 0. There is a corollary (call) that does nothing except set the ERRORLEVEL to 1. yourCommand && ( someCommandThatMayFail (call ) ) || ( echo This can only fire if yourCommand raises an error ) See Foolproof way to check for nonzero (error) return code in windows batch file for examples of the intricacies needed when using ERRORLEVEL to detect errors. share|improve this answer edited Apr 29 '14 at 11:24 answered Jun 13 '13 a
Checking and Running as Scheduled Tasks ★★★★★★★★★★★★★★★ Paul Adams (ex-MSFT)June 6, 201016 0 0 0 Batch files may be considered “old hat” by a lot of people (or a complete mystery to the younger ones!) but they https://blogs.technet.microsoft.com/mrsnrub/2010/06/06/batch-files-basic-error-checking-and-running-as-scheduled-tasks/ are sometimes still the easiest way to execute simple jobs as they have practically no http://www.computerhope.com/forum/index.php?topic=91064.0 requirements other than a command shell process to run within – yes there is a strong probability that a script could achieve an identical (or at least equivalent) result, but the fact is that it will be more complex and therefore longer to create and administer. Something that trips up a fair number of people is the difference between double-clicking dos error a .BAT file and scheduling it as a task to run at a certain time, on a trigger or on a schedule – it can seem that the batch file just simply does not run at all, and the return code sent back to the Task Scheduler is often 0x2, “path not found”, even though the file most definitely is there. When you double-click a .BAT or .CMD file through Explorer, a cmd.exe dos error 5 process is started to provide the environment in which it will run. The credentials used are your own (or more correctly, inherited from the Explorer process). The “current working directory” is set to that where the batch file lives. When the Task Scheduler service starts the same batch file it actually invokes an instance of cmd.exe (as SYSTEM impersonating the user whose credentials are defined in the task) to carry out the process and waits for it to exit with a return code – the current working directory for this process is not that of the batch file, but that of cmd.exe itself. i.e. %windir%\system32 Now, if your batch file assumes that you launched it through Explorer or from an existing command prompt with the current working directory set to its own location, you can run into problems. One simple way to verify if your batch file should work as a scheduled task is to call it from an existing cmd.exe process from a different current working directory (such as your profile, or a temp folder). Be very, very careful if your batch file does any kind of file deletion – especially if wildcards are involved – you do not want to be in the wrong context when doing this (especially not a system folder or your profile!). The trick
activation email? 1 Hour 1 Day 1 Week 1 Month Forever Login with username, password and session length Forum only search News: Home Help Login Register Computer Hope » Microsoft » Microsoft DOS » DOS IF %ERRORLEVEL% construct « previous next » Print Pages: [1] Go Down Author Topic: DOS IF %ERRORLEVEL% construct (Read 73786 times) 0 Members and 1 Guest are viewing this topic. tale103108 Guest DOS IF %ERRORLEVEL% construct « on: September 02, 2009, 07:40:26 AM » Ok, I need to test the successful execution of a program within a DOS batch file, print if program fails but continue if program succeeds.Pseudo-code;program.exe # program that is executed and status to be checkedIF %ERRORLEVEL NEQ 0 ECHO "I failed" EXIT # check statusotherwise continue with batch job....Need code example because DOS is driving me crazy ... should be simple but I am using myprogram.exe@IF %ERRORLEVEL% NEQ 1 GOTO ERROR@IF %ERRORLEVEL% EQ 0 GOTO OK:ERRORECHO "Program failed, please check this log file for errors ..." GOTO END:OKmynestprogram.exe:ENDand it is not working-------------------------------------------------------------------------------- Logged billrich Guest Re: DOS IF %ERRORLEVEL% construct « Reply #1 on: September 02, 2009, 08:26:18 AM » C:\>type err.batCode: [Select]@echo off
rem myprogram.exe 0
set errorlevel=%1
echo errorlevel = %errorlevel%
IF %errorlevel% EQU 1 GOTO ERROR
IF %errorlevel% EQU 0 GOTO OK
:ERROR
ECHO "Program failed, please check this log file for errors ..."
GOTO END
:OK
echo mynestprogram.exe
:ENDOutput:C:\>err.bat 0errorlevel = 0mynestprogram.exeC:\>err.bat 1errorlevel = 1"Program failed, please check this log file for errors ..."C:\> Logged billrich Guest Re: DOS IF %ERRORLEVEL% construct « Reply #2 on: September 02, 2009, 08:37:20 AM » if /?where compare-op may be one of: EQU - equal NEQ - not equal LSS - less than LEQ - less than or equal GTR - greater than GEQ - greater than or equal Logged Salmon TroutGeniusThanked: 838 Computer: Specs Experience: Experienced OS: Other Re: DOS IF %ERRORLEVEL% construct « Reply #3 on: September 02, 2009, 09:00:08 AM » Code: [Select]
IF %ERRORLEVEL% NEQ 0 (
ECHO "I failed"
EXIT
)
Or you can use GTR instead of NEQ (This is more usual) Logged Vllig losgelst von der Erde schwebt das Rau