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Windows Batch Return Error


You have to code for halting on error. for exactly this purpose, which no sane program would try to use as its own environment variable. [You gave the answer yourself: "Anything which tries to use that environment variable will Some Final Polish One small piece of polish I like is using return codes that are a power of 2. 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 have a peek here

Marty says: September 27, 2008 at 11:34 am A god safety net is to reset ERRORLEVEL each time you use it, similar to the SetLAstError() function. A weird and spooky clock My 21 yr old adult son hates me Maximum server memory What does "M.C." in "M.C. For example: Set ERRORLEVEL=1000 myprogram.exe Echo This is not the exit code: %ERRORLEVEL% Set ERRORLEVEL= myprogram.exe Echo This is the exit code: %ERRORLEVEL% Jay Bazuzi says: September 27, 2008 at 1:12 But you really need to know what the program returns on errors. read this article

Batch File Exit Command

Even better, I can repeatedly call the bitwise OR with the same error code and still interpret which errors were raised. << Part 2 – Variables Part 4 – stdin, stdout, Related 14Exit batch file from subroutine0Program in batch file reading old version of newly altered file (XP)1How to determine the name of a file extracted from a zip archive via a And, no, I'm not Steve Jansen the British jazz drummer, though that does sound like a sweet career.

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 CMD.exe allows you to set it but then from that point on the variable is mostly meaningless. Word/phrase/idiom for person who is no longer deceived How to defeat the elven insects using modern technology? Return Value From Batch File EXIT /B at the end of the batch file will stop execution of a batch file.

This was presumably because there were programs that expressed different degrees of failure with higher and higher exit codes. Batch Set Errorlevel This return code tells me that both errors were raised. When a batch script returns a non-zero value after the execution fails, the non-zero value will indicate what is the error number. More Help 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

Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Exit /b Errorlevel Indicates that the file cannot be found in specified location. 4 3 The system cannot find the path specified. The last command executed in the function or the script determines the exit status. But you can't change directories by saying set CD=C:\Windows.

Batch Set Errorlevel

Let’s look at a quick example on how to check for error codes from a batch file. It is in form of boolean values, with 0 for success and 1 for failure. Batch File Exit Command Since the same variable get expanded to different values on different computers. Batch File Exit Code 1 If I can't find a word in Vortaro.net, should I cease using that word?

So "errorlevel 0" will match everything. navigate here says: September 26, 2008 at 12:19 pm Well, at least bash literally doesn't allow you to set the $? How to defeat the elven insects using modern technology? deer in German: Hirsch, Reh Produce Dürer's magic square Using "." in layers name \def inside of \def not visible in titles or captions Is there any way to bring an Windows Batch Errorlevel

If both of the above condition passes then the string “Successful completion” will be displayed in the command prompt. Is there a "weighting" involved with Sitecore.ContentSearch.SearchTypes.SearchResultItem? see more linked questions… Related 655How to pass command line parameters to a batch file?305How can you find and replace text in a file using the Windows command-line environment?352How to get Check This Out Interlace strings Is there an illusion in the tutorial area?

Could someone please help with these questions:How do I return 0 for success ate the end of an MSDOS batch file?Similarly, how do I return 1 (or other values) representing erroneous Batch File Exit Code 0 What are the disadvantages of a delta wing biplane design? For example, create this .cmd file: @echo off echo Starting very complicated batch file...

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

A very helpful feature is the built-in DOS commands like ECHO, IF, and SET will preserve the existing value of %ERRORLEVEL%. use EXIT /B < exitcodes > at the end of the batch file to return custom return codes. The break statement is normally used in looping constructs and is used to cause immediate termination of the innermost enclosing loop. Batch File Function Return Value Consider using !errorlevel!

In the same way that bash doesn't let you "set ?=…". -Raymond] Denis Dmitriev says: September 26, 2008 at 11:34 am It's still asking for trouble because it introduces action at It's just a variable whose name happens to coincide with a command processor concept. 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 this contact form To execute a follow-on command after failure, we use the || operator: SomeCommand.exe || ECHO SomeCommand.exe failed with return code %ERRORLEVEL% I use this technique heavily to halt a script when

Logged To every complex question there is a simple answer and it is wrong- H.L. Error Code & Description 1 0 Program successfully completed. 2 1 Incorrect function. How do I make it terminate immediately if one of the calls returns an error code of any level? Zoho Corp.

This was presumably because… The test for inequality is nice to have because the pseudo-environment-variable gives an easy test for equality: IF "%ERRORLEVEL%"=="%N%" Mathematically speaking, the two are equivalent, though; given Indicates that the specified path cannot be found. 5 5 Access is denied. Following is the common construct of the ‘for’ statement for working with a list of values. 3 Looping through Ranges The ‘for’ statement also has the ability to move through a Indicates that Action has attempted to execute non-recognized command in Windows command prompt cmd.exe. 3 2 The system cannot find the file specified.

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