This code is just 40 bytes, despite the one you've posted being 49 bytes! Yes! Going all the way back to the earliest releases of MSDOS, certain file names were preempted by the file system kernel and used to refer to devices. Why are Car Batteries Still So Heavy?
Join them; it only takes a minute: Sign up Suppress command line output up vote 61 down vote favorite 17 I have a simple batch file like this: echo off taskkill This can be avoided by instead using either if exist "C:\_M\*.CMD" dir "C:\_M\*.CMD" or e.g. for %%f in ("C:\_M\*.CMD") do echo %%~tf %%~zf "%%~ff" Below is a demonstration how to play with stderr. The rules are a lot more complicated than they ought to be, and it is actually impossible to answer some simple questions such as "how long is the longest legal fully http://stackoverflow.com/questions/20298682/suppress-error-messages-in-windows-commandline
PPCG Jeopardy: Robbers PPCG Jeopardy: Cops Goodness Giza Golf! Tabs and spaces are the default delimiters, there is no need to include them (needed) The stderr stream (stream number 2) is redirected to nul device to hide the error output. How can I get bash/zsh to change some text from "foo.foo.foo" to "foo foo foo" with a script/alias? CMD Syntax TYPE - Display the contents of one or more text files Q245031 - Error when using the | pipe symbol Successive redirections explained (1>&3 ) - Stack Overflow Equivalent
Browse other questions tagged command-line windows-registry batch-file or ask your own question. The others include the parallel printer port, the console, and up to four serial ports. This is the syntax then dir *.tex > texlist.dir 2>&1 Since the test folder has no *.tex file, a file "File Not Found" message is produced, but it is redirected Mkdir If Not Exists Windows Can guns be rendered unusable by changing the atmosphere?
Why 2>&1? Suppress Command Line Output Linux share|improve this answer answered Jul 24 '09 at 12:32 phatmanace 1,87411018 add a comment| up vote -1 down vote Create one. Because the numeric equivalent of the STDERR is 2 and the numeric equivalent of STDOUT handle is 1. http://stackoverflow.com/questions/1177348/how-do-i-prevent-the-could-not-find-error-message-from-del-txt Mobile website menu.
It can always be opened for either reading or writing, any amount can be written on it, and reads always succeed but return no data. Batch >nul For example, COPY %scriptDirectory%test.bat %scriptDirectory%test2.bat >NUL share|improve this answer answered Feb 4 '13 at 12:05 Unknown 2,69222150 add a comment| up vote 2 down vote You can redirect stdout to nul This removes the helpful error text that is displayed if the command fails. windows shell batch-file share|improve this question edited Nov 30 '13 at 9:42 a_horse_with_no_name 191k25242321 asked Nov 30 '13 at 9:35 charqus 6919 1 Easy enough..
Are electric bike speed limitations set in stone? http://www.netikka.net/tsneti/info/tscmd009.htm share|improve this answer edited Sep 28 '15 at 7:12 answered Sep 28 '15 at 6:57 Hamzeen Hameem 402411 add a comment| Your Answer draft saved draft discarded Sign up or Batch File Suppress Output Like: Go to Solution 2 3 Participants farhankazi(2 comments) LVL 26 MS DOS7 Windows XP7 Steve Knight LVL 43 MS DOS25 Windows XP9 parcou 4 Comments LVL 26 Overall: Level Command Line Suppress Output This will prevent a blank null file from being placed onto the local directory –Samy Bencherif Sep 26 '13 at 23:57 7 @SamyBencherif, NUL is a reserved file name, and
How do you combine the elements in Sheldon's T-shirt? Windows NT and all versions that follow (2K, XP, 7, and now 8) all follow use the much more elaborate NT Namespace from kernel code and to carefully constructed and highly Hit any key to exit.pause>nulexit:CONNECTSUCCESSecho. or C:\_D\TEST>cmdfaq The copying failed Exiting References/Comments: (If a Google message link fails try the links within the brackets.) hh ntcmds.chm::/redirection.htm hh ntcmds.chm::/ntcmds_shelloverview.htm Google Groups >nul 2>&1
This syntax is (loosely) borrowed from many Unix shells, but you do have to be careful because there are subtle differences between the shell syntax and CMD.EXE. First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone. Why do Internet forums tend to prohibit responding to inactive threads? The quotes only protect the operation are not included in the value stored into the variable.
COPY %scriptDirectory%test.bat %scriptDirectory%test2.bat >nul Just add >nul to the commands you want to hide the output from. Batch Run Another Batch What is the English name for the palm's spots of the "working hands"? Not the answer you're looking for?
Should I have doubts if the organizers of a workshop ask me to sign a behavior agreement upfront? Note, however, that you don't need to delete the files one by one, using a loop. Is there oscillating charge in a hydrogen atom? Batch File Hide Window Therefore, is there any command in the commandline to get rid of this returned messages?
up vote 25 down vote favorite 5 There has been variants of this question asked for generations, but despite writing some quite complicated DOS scripts, I can't seem to find out Why doesn't find . -delete delete current directory? iOS UI/UX Mobile Adobe Creative Suite CS Android Advertise Here 695 members asked questions and received personalized solutions in the past 7 days. Linked 9 How to silently delete files by bat 0 Execute Batch File without Command line visible 2 How to stop printing out from a standalone application in Matlab? 2 how
Why are Car Batteries Still So Heavy? How can I suppress that output? Since then I have been working to deploy XenDesktop 5 in a small environment with only 2 virt… Windows XP Be "Registry cleaner" of yourself! 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
Why are static password requirements used so frequently? What happens if BB-8 rolls the wrong way? Change the invocation to this: taskkill /im "test.exe" /f >nul 2>&1 and all will be better. Starting a new CMD shell also has a small (likely unnoticable) effect on performance.
It is recommended that you also get the zipped version as a companion.