Batch file to run prog and output to txt...not working Windows batch file: set output of program to a variable? Probably the most familiar example is MORE: DIR /S | MORE where the MORE command accepts DIR's Standard Output at its own Standard Input, chops the stream in blocks of 25 BC_ProgrammerMastermind Typing is no substitute for thinking.Thanked: 959 Certifications: List Computer: Specs Experience: Beginner OS: Windows 7 Re: How to capture batch file error msg's? « Reply #5 on: May 11, for example, if you use:program.exe 2>&1 | program2.exethen the standard error and standard output of program.exewill both be piped to program2 as it's standard input. weblink
Meaning of '2> >(command)' Redirection in Bash Does the wifi hump affect aerodynamics or efficiency? Use >CON to send text to the screen, no matter what, even if the batch file's output is redirected. It may be easier if this test suite of yours grows quite a bit to use a more powerful language. Before posting on our computer help forum, you must register. http://stackoverflow.com/questions/5140787/capturing-error-message-from-echo-in-cmd-prompt
Type HELP SETLOCAL and HELP SET at a command prompt for more information on delayed expansion. You can also redirect to a printer with > PRN or >LPT1 Multiple commands on one line In a batch file the default behaviour is to read and expand variables one Creating arrows based on GPS velocities to show displacement Can my employer see what I do on the internet when I am connected to the company network?
Redirect to NUL (hide errors) command 2> nul Redirect error messages to NUL command >nul 2>&1 Redirect error and output to NUL command >filename 2> nul Redirect output to file but Not the answer you're looking for? Not sure which earlier versions of windows it works on. –Dave Webb Sep 24 '08 at 22:41 add a comment| up vote 2 down vote You can do something like the Error Handling In Batch Script Warning messages typically don’t effect the return code.
Bondy 200k82478574 add a comment| 6 Answers 6 active oldest votes up vote 13 down vote accepted You can do this quite neatly with the ENABLEDELAYEDEXPANSION option. Redirect Console Output To File Windows errorlevel=0 –Tadhg Feb 28 '11 at 11:04 what error level do you get when you can access the file? Copy the following code into Notepad and save it as "test.bat": @ECHO OFF ECHO This text goes to Standard Output ECHO This text goes to Standard Error 1>&2 ECHO This text http://www.robvanderwoude.com/battech_redirection.php Panthers_DenTopic StarterRookie How to capture batch file error msg's? « on: May 11, 2010, 08:32:15 AM » So in my batch file, I can capture the errorlevel (the error number), but
My AccountSearchMapsYouTubePlayNewsGmailDriveCalendarGoogle+TranslatePhotosMoreShoppingWalletFinanceDocsBooksBloggerContactsHangoutsEven more from GoogleSign inHidden fieldsSearch for groups or messages ( SS64 ) CMD Syntax Redirection command > filename Redirect command output to a file command >> filename APPEND into Batch File Output To Text File With Timestamp It isn’t always pretty, but, it gets the job done. ECHO I suppose that's why CTTY is no longer available on Windows systems. setlocal rem Main script call :LookupErrorReason %errorlevel% echo FAILED Test case failed, error reason: %errorreason% >> TestSuite1Log.txt goto :EndOfScript rem Lookup subroutine :LookupErrorReason if %%1 == 3 set errorreason=Some reason if
Some Final Polish One small piece of polish I like is using return codes that are a power of 2. http://www.computerhope.com/forum/index.php?topic=104561.0 When was the ENABLEDELAYEDEXPANSION option added? –Ray Hayes Sep 24 '08 at 22:32 Oh, something to be careful of, the "setlocal" command shown above will overwrite the ERRORLEVEL. Batch File Output To Text File SomeCommand.exe || GOTO :EOF Tips and Tricks for Return Codes I recommend sticking to zero for success and return codes that are positive values for DOS batch files. Batch File Logging Checking Return Codes In Your Script Commands The environmental variable %ERRORLEVEL% contains the return code of the last executed program or script.
Most programs rarely document every possible return code, so I’d rather explicity check for non-zero with the NEQ 0 style than assuming return codes will be 1 or greater on error. have a peek at these guys Contact Failed Mail Donate User Output Display Error Messages in the Local System Language If your scripts have any error handling at all, you probably "hard coded" some error messages The maximum number of consecutive pipes is 2042 Examples: DIR >MyFileListing.txt DIR /o:n >"Another list of Files.txt" DIR C:\ >List_of_C.txt 2>errorlog.txt DIR C:\ >List_of_C.txt & DIR D:\ >List_of_D.txt ECHO y| DEL Now make a typo again: EHCO Hello world 2>NUL What did you get? Batch File Display Message
Sadly, even skilled Windows programmers overlook the importance of return codes. Two resistors in series Which current networking protocol would be the optimal choice for very small FTL bandwidth? Try this command: ECHO Hello world 2>NUL What you should get is: Hello world You see? http://objectdevcorp.com/batch-file/batch-file-error-message-box.html Too bad DOS doesn’t support constant values like Unix/Linux shells.
SET /A ERROR_HELP_SCREEN=1 SET /A ERROR_FILE_NOT_FOUND=2 SET /A ERROR_FILE_READ_ONLY=4 SET /A ERROR_UNKNOWN=8 This gives me the flexibility to bitwise OR multiple error numbers together if I want to record numerous problems Batch File Output To Text File Append How do I get the last lines of dust into the dustpan? This can be useful for error messages.
We also pass a specific non-zero return code from the failed command to inform the caller of our script about the failure. C:\Users\matt.MATTLANT>help call Calls one batch program from another. Run: test.bat > NUL and you should see: C:\>test.bat This text goes to Standard Error This text goes to the Console C:\>_ We redirected Standard Output to the NUL device, and Batch File Log Output With Date You may also want to check for specific error codes.
Remember, this is duct tape programming. It is said Console cannot be redirected, and I believe that's true. Two resistors in series What's the fastest way to generate a 1 GB file containing only random numbers? http://objectdevcorp.com/batch-file/batch-file-get-error-message.html Note that the error level comparisons should be in decreasing order due to a cmd quirk.
Join them; it only takes a minute: Sign up .cmd and .bat file converting return code to an error message up vote 6 down vote favorite 2 I'm trying to automate In this case, we could also have used test.bat>NUL2>NUL This redirects Standard Output to the NUL device and Standard Error to the same NUL device. View the source code of the batch file View a sample of the batch file's output Download source code and output sample Related Stuff: Dialog box tools for batch files: Why rotational matrices are not commutative?
Why do Internet forums tend to prohibit responding to inactive threads? Logged gplApprentice Thanked: 27 Re: How to capture batch file error msg's? « Reply #1 on: May 11, 2010, 09:15:09 AM » yes, it is more than possible, it is easy!the I know it's available in XP and 2003 Server as I've written scripts using it that run on those platforms. Who created the Secret Stairs as a way into Mordor and for what purpose?
That is what you see on screen as normal messages, 2> or 2>> will output error messages.1 is the standard output stream.2 is the standard error stream.>,>> , <, and |