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Bash Script Hide Error Output


What type of sequences are escape sequences starting with "\033]" Good way to explain fundamental theorem of arithmetic? I could still see the error message. Redirect output to /dev/null, which accepts all output and does nothing with it. share|improve this answer answered Feb 14 '15 at 8:19 Scott 3,75821328 add a comment| up vote 3 down vote According to this you could do something like following: #!/bin/bash exec 2>/dev/null http://gatoisland.com/bash-script/bash-script-error-output.php

linux shell share|improve this question asked Jul 17 '09 at 2:59 Jader Dias 1,530153445 stackoverflow.com/questions/2292847/… –Ciro Santilli 烏坎事件2016六四事件 法轮功 Jun 29 at 21:30 add a comment| 5 Answers 5 DistroUbuntu 10.04 Lucid Lynx Re: suppress stderr in a bash script An easy kludge to make the redirect of stdout global to the script is to turn the whole script into If not, why? redirect the conditional block.

Bash Script Redirect Error Output

And is there a more elegant way to know what process is using the port 8080 (not just if it's being used), if any? I am not experienced at all with bash, so I did something like this: if dpkg -s net-tools; then if netstat -tlpn | grep 8080 | grep java; then echo "Shut Search Forums Show Threads Show Posts Tag Search Advanced Search Unanswered Threads Find All Thanked Posts Go to Page... learn unix and linux commands Bourne Shell: Hiding error messages

no outgoing connection via ipv4 Integral using residue theorem complex analysis GTIN validation more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising scriptname >/dev/null and if you also want error messages to be sent there, use one of (the first may not work in all shells): scriptname &>/dev/null scriptname >/dev/null 2>&1 scriptname >/dev/null Integral using residue theorem complex analysis Subtraction with a negative result Can I use an HSA as investment vehicle by overcontributing temporarily? Bash Script Output To Log Bash treats this as a group of commands, aggregating the output file descriptors so you can redirect all at once.

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 Bash Script Suppress Error Output But it displays bar meaning the return status code is 0 (this is not the returned status code from false). Now i want to hide this from the user and instead show Installing nano ...... Feb 18 '10 at 22:55 serverfault.com/questions/41964/… –Ciro Santilli 烏坎事件2016六四事件 法轮功 Jun 29 at 21:31 add a comment| 6 Answers 6 active oldest votes up vote 92 down vote If

Why? Bash Script Output To Html Good way to explain fundamental theorem of arithmetic? Unexpected parent process id in output Skipping directly to level 4 Is there a way to make a metal sword resistant to lava? There is no mention of &> but the CHANGES only go back to 2.0 so I think that means it was already in 1.x. –tripleee Jun 30 at 2:17 | show

Bash Script Suppress Error Output

So sayeth the Shepherd Should indoor ripened tomatoes be used for sauce? Join Date Sep 2007 Location Vienna Beans 234 suppress stderr in a bash script hi, i have a bash script that in some cases will print out error messages from various Bash Script Redirect Error Output If not, why? Bash Script Output Of Command To Variable Reply Link Martin June 2, 2014, 4:23 amYou could use find instead to filter out the files you don't want to delete, or only delete files matching a patter:Delete all files

If not, why? his comment is here And the command DUMMY=$( echo foo | tee file ; true ) && echo bar displays bar. echo -n "Installing nano ......"; yum install nano &> /dev/null; echo " done."; While this code will not show anything in the terminal since both standard error and standard output are share|improve this answer answered Feb 25 '14 at 22:02 kkeller 1,384159 Thanks, I assumed yum had one since apt-get used -qq as well to suppress. Bash Script Output Color

Is the following extension of finite state automata studied? Related 0How can you find out which linux distribution you are currently using, from the shell?1Hung application in shell1“cd” in linux shell script returns “command not found!”9How to close GUI and If you're familiar instead with subshells using ( command1; command2; ) syntax, you'll find the braces behave almost exactly the same way, except that unless you involve them in a pipe http://gatoisland.com/bash-script/bash-script-error-output-to-file.php Reply Link Frank June 30, 2009, 5:15 pmneed a command in my bash script to remove some (not all) of the contents of directory2.

command > /dev/null 2>&1 Explanation: 1.command > /dev/null: redirects the output of command(stdout) to /dev/null 2.2>&1: redirects stderr to stdout, so errors (if any) also goes to /dev/null Note &>/dev/null: redirects Bash Script Output File Reply Link Security: Are you a robot or human?Please enable JavaScript to submit this form.Cancel replyLeave a Comment Name Email Comment You can use these HTML tags and attributes: You can do the reverse, redirect standard output to standard error using >&2 and then redirect standard error to a file with 2> file. –Hubert Kario Nov 27 '12 at 11:39

It actually creates a file named - and &> is a non-portable bourne shell extension. –PhilT Aug 6 '14 at 20:35 The portable equivalent echo moo 1>&- produces an

Now I know my ABCs, won't you come and golf with me? Browse other questions tagged linux shell or ask your own question. How can I prevent the script from displaying anything? Bash Script Output To Console no outgoing connection via ipv4 How to book a flight if my passport doesn't state my gender?

Why don't most major game engines use gifs for animated textures? share|improve this answer answered Aug 5 '13 at 16:26 Giuseppe Pes 4,1932050 1 Great share ....dude can you show me how to output the same message only once for a more hot questions question feed lang-sh about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation navigate here more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

You'll most certainly also want to use -y echo "Installing nano..." yum -y -q install nano To see all the options for yum, use man yum. Let me know if your provide an answer to upvote it ;-) Cheers –olibre Mar 16 at 21:50 add a comment| up vote 3 down vote Like andynormancx post use this: Adv Reply January 2nd, 2010 #3 buschi View Profile View Forum Posts Private Message Visit Homepage 5 Cups of Ubuntu Join Date Feb 2007 Location Southern Germany BeansHidden! Follow him on Twitter.

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