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Bash Script Hide Error Output


Tango Icons Tango Desktop Project. Yes, of course I'm an adult! I mean: I want to launch a command: - if all goes good --> no output - if something goes wrong --> output of errorsThanks, Ciccio Reply Link SilversleevesX October 2, This has no impact or whatever issue to my script but it's ugly to show to the users. navigate here

As you can see from my history, i was once an enthusiastic ubuntu user. You can hide the output of a comand in the following ways : echo -n "Installing nano ......"; yum install nano > /dev/null; echo " done."; Redirect the standard output to Using your trick to suppress the output: ( : $(echo foo | tee file ; false) ) && echo bar. If not, why?

Bash Script Redirect Error Output

Privacy - Terms of Service - Questions or Comments current community blog chat Server Fault Meta Server Fault your communities Sign up or log in to customize your list. Skipping directly to level 4 Did Donald Trump call Alicia Machado "Miss Piggy" and "Miss Housekeeping"? asked 7 years ago viewed 153811 times active 6 months ago Linked 0 How to hide output error messages from terminal? 33 How to hide command output in bash 0 Terminate Modern soldiers carry axes instead of combat knives.

the & also works the same way with a pipe: ./script |& sed that will send everything to sed share|improve this answer answered May 4 '11 at 14:55 Matt 94721427 2 When was this language released? 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 Bash Script Output To Log Ask Ubuntu works best with JavaScript enabled FAQ Forum Quick Links Unanswered Posts New Posts View Forum Leaders FAQ Contact an Admin Forum Community Forum Council FC Agenda Forum Governance Forum

Does mean=mode imply a symmetric distribution? Filenames/directory names for the deletion/copying are unknown: rm * rmdir cp -p * Sometimes when no file or directory exists, error is encountered. Adv Reply Quick Navigation General Help Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums The Ubuntu Forum Community Ubuntu Official Flavours Support New to The time now is 08:43 PM. - Contact Us - Unix & Linux - unix commands, linux commands, linux server, linux ubuntu, shell script, linux distros. - Advertising - Top

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Bash Script Suppress Error Output

Convince people not to share their password with trusted others Is the following extension of finite state automata studied? Why are some programming languages Turing complete but lack some abilities of other languages? Bash Script Redirect Error Output Problem is users get confused by the "permission denied" msgs output by the "rm". Bash Script Output Of Command To Variable 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

one can use it as an alternate of /dev/null 2>&1 Silent grep: grep -q "string" match the string silently or quietly without anything to standard output. check over here How could banks with multiple branches work in a world without quick communication? Sánchez 8,158164274 1 You can actually do better than that in the Windows shell. It's free: ©2000-2016 nixCraft. Bash Script Output Color

But if the program has a quiet option, that's even better. Why? The script does NOT run as root, which works because it removes the correct files but not the root-level stuff in directory2 (that I don't want to remove). his comment is here 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

Just redirect the output to /dev/null directory. Bash Script Output File share|improve this answer answered May 30 '14 at 17:46 Tim 14.6k757100 sorry I forgot to add the real question to the post, check it agin please because you answer This will show the errors occurring during the installation, for example if yum cannot find a package.

You can do that by redirecting file descriptor 2: # Send stdout to sample.s, stderr to sample.err myprogram > sample.s 2> sample.err # Send both stdout and stderr to sample.s myprogram

currently i see the following options: -supplement each single one of those commands with "2>/dev/null" <--doing that currently -tell the people who use the script to invoke it with "2>/dev/null" -build Reply Link ma thesh February 2, 2015, 6:16 pmHow to get the error help in shell window Reply Link Alex October 19, 2015, 10:02 amThanks! BASH Programming - Introduction HOW-TO: All about redirection Last modified: 10/03/2012 Tags: bash Site Info mindspill.net © Stephan Dale. Bash Script Output To Console This was helpful for what I am doing. –Faded Sep 25 '15 at 2:07 add a comment| up vote 2 down vote >/dev/null 2>&1 will mute both stdout and stderr yum

Natural construction My home country claims I am a dual national of another country, the country in question does not. Good way to explain fundamental theorem of arithmetic? If instead you use "scriptname > nul" then you won't even have a file to delete, as "nul" is the Windows equivalent of /dev/null. –andynormancx Mar 5 '09 at 23:50 1 http://onlinetvsoftware.net/bash-script/bash-script-error-output-to-file.php 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

But the message you are getting from netstat -tlpn. Not the answer you're looking for? If you close a file descriptor, you'll have to do so for every numbered descriptor, as &> (below) is a special BASH syntax incompatible with >&-: /your/first/command >&- 2>&- Be careful Why are some programming languages Turing complete but lack some abilities of other languages?

I meant $ command &> /dev/null. 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 Not the answer you're looking for? Didn't know that one.

I am looking for something like windows "echo off". share|improve this answer answered Mar 5 '09 at 23:41 Diego Sevilla 20.7k33661 3 Also achieved with just &> if you want to save some typing ;) –andynormancx Mar 5 '09