So if you had a log file which you wanted to span several days, you would do someCommand >> logerr.txt 2>&1 Bob W · 9 years ago 2 Thumbs up 0 Miscellaneous Tweaks Link Speed Test Web Stuff Conversions My Photo Galleries About This Site Disclaimer News FAQ Search What's New Objective Site Policy Your Preferences Credits The Making Of... Thread Status: Not open for further replies. Divide overflow Program has attempted to divide something by zero. navigate here
The ListenHear Game - Listen and type the word LinearModelFit with Dataset Hard data on students' reasons for being students Head, Shoulders, Knees and Toes, Knees and Toes What difficulty would Join them; it only takes a minute: Sign up How to capture stderr on Windows/DOS? See our file name page for information about files, file name examples, and a list of invalid characters. What's the fastest way to generate a 1 GB file containing only random numbers? https://forums.techguy.org/threads/how-to-write-log-file-for-a-dos-batch-file.908866/
Can anyone explain this context-free grammar to me? All Activity Home Coding, Scripting and Servers Programming (C++, Delphi, VB/VBS, CMD/batch, etc.) How to log the results of a DOS batch file? Verify there are no available patches or other updates for the software you're using on your computer. If this command were to be allowed it would get into a loop and would never stop copying the same files over and over.
This could be useful when prompting for input even if the batch file's output is being redirected to a file. Try creating or copying the file in a different directory. Head, Shoulders, Knees and Toes, Knees and Toes Arab vs. Batch File Output To Text File With Timestamp The problem is, if the XCOPY command fails (because for instance computer B was turned off), I would never know.
Do not give this medication to a child younger than 12 years old.. Next, run: test.bat 2> NUL and you should see: C:\>test.bat This text goes to Standard Output This text goes to the Console C:\>_ We redirected Standard Error to the NUL device, Information about editing and viewing the config.sys can be found on our autoexec.bat and config.sys page. http://stackoverflow.com/questions/14940951/batch-command-to-log-file The date and time shows correctly.
The problem is, if the XCOPY command fails (because for instance computer B was turned off), I would never know. Windows Tee That is needed because '>' will create/overwrite a file, but '>>' will create/add to a text file. The log file will be created, but it is always empty.That could be because you have set a @ECHO OFF line in your batch file (the one to be logged). 0 See Underused features of Windows batch files for more details.
windows scripting batch-file cmd stderr share|improve this question edited Oct 9 '15 at 19:42 Peter Mortensen 10.4k1372108 asked Jan 27 '09 at 8:46 mik 5032914 add a comment| 2 Answers 2 To capture that in a file, add 2>&1 to the line like so: myfile.bat >Logfile.txt 2>&1 Or you can add it inside your file: Code: @Echo Off >>Logfile.txt 2>&1 Echo Deleting Log Batch File Output Mountaineering with 6 y.o. Batch File Logging Reply Link Cancel replyLeave a Comment Name Email Website Comment Current [emailprotected] * Leave this field empty Next post: Start or stop Windows service from command line (CMD)Previous post: Create a
FileMaker Database Design Updating our outdated FileMaker database with a new iPad compatible user interface. check over here Creating your account only takes a few minutes. Some commands send info to the Error output, so that goes to the screen as well. Insufficient disk space Disk is full or, if you are trying to copy am file to a disk, the file is too big to fit on the disk. Dos Redirect Stderr To Stdout
Why don't my users have separate desktops in Windows 10? That's because >NUL redirects all Standard Output to the NUL device, which does nothing but discard it. Regards, The_Champs, Mar 9, 2010 #1 Sponsor Squashman Trusted Advisor Joined: Apr 4, 2003 Messages: 19,765 You need to redirect the output. his comment is here Try this command: ECHO Hello world 2>NUL What you should get is: Hello world You see?
ECHO The only way to get control over the computer again is a cold reboot, ECHO or the following command: CTTY CON A pause or prompt for input before the CTTYCON Dos Redirect Stderr To Null For the first, use this: myfile.bat >Logfile.txt This creates a new file each time it's run myfile.bat >>Logfile.txt This appends to the logfile.txt each time it's run. Advertisements do not imply our endorsement of that product or service.
Infinite Fibonacci sums - diverge or converge Can guns be rendered unusable by changing the atmosphere? I know I can use ERRORLEVEL to check if XCOPY was successful but how can I make the batch file to send (or copy) this information in a log file using Below are few examples on how to use this script file.To list all the events that are created by a particular service/application.cscript eventquery.vbs /FI "source eq source_name"For example to list all Windows Stderr I can assure you I did try!
Advertisement The_Champs Thread Starter Joined: Mar 9, 2010 Messages: 3 Dear Experts, I have created a batch file with certain DoS commands like copy, del & call. Not the answer you're looking for? Sign In Sign Up Home Forums Browse Back Browse Forums Rules Donation Activity Back Activity Unread Content Content I Started My Activity Streams All Activity Search Subscription Back Subscription Orders Manage weblink I have a batch file to copy some files from computer A to computer B using the XCOPY command that runs every night.
Answer Questions Trouble with Java? So far I've been checking manually folder by folder everyday to see if the batch... What you have works perfectly fine. 0 Share this post Link to post Share on other sites kukris 0 0 112 posts November 28, 2003 Country: Posted July 14, 2004 But the next one is new: test.bat > NUL 2>&1 and you should see: C:\>test.bat This text goes to the Console C:\>_ This time we redirected both Standard Output and Standard
How to copy files. Soma may be harmful to an unborn baby. ECHO By the way, did I warn you that the keyboard doesn't work either? In Windows NT4, early Windows 2000 versions, and OS/2 there used to be some ambiguity with ECHOed lines ending with a 1 or 2, immediately followed by a >: ECHO Hello
Download a good one for Windows from here. If you just want standard output messages, what you have is fine.Check the permissions on the file. Log in or Sign up Tech Support Guy Home Forums > Operating Systems > DOS/Other > Computer problem? i can press "any key" to end the pause but i don't see _anything_ in my console window - like being in the dark.
How to change or rename a file, folder, or directory. This works in win98. 0 Share this post Link to post Share on other sites kukris 0 0 112 posts November 28, 2003 Country: Posted July 20, 2004 Thanks, I Invalid file name or file not found This error occurs when attempting to rename, copy, or otherwise manipulate a file the file does not exist. The batch file would look like this: command > logfile and the command line would be: START batchfile Some "best practices" when using redirection in batch files: Use >filename.txt 2>&1 to
Invalid drive specification The drive letter you're typing does not exist on the computer. Standard Error is the stream where many (but not all) commands send their error messages. Keep the medication in a secure place where others cannot get to it.