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What happens to a radioactive carbon dioxide molecule when its carbon-14 atom decays? Of course, if you run any other command it will update $? I get a 5. You need to pass it some other way than as a shell variable. have a peek here

Now, let's take a peek at the mv man page, paying particular attention to the latter part of the doc. The Ooh-Aah Cryptic Maze Should I use the tax table or the tax rate schedule for calculating my tax? Because this can be tricky, a common thing I see in really bulletproof shell scripts with lots of error handling is something like this: #!/bin/sh mkdir /usr error=$? The grep command has more interesting diagnostics, actually: “Normally, exit status is 0 if selected lines are found and 1 otherwise. http://superuser.com/questions/477729/accessing-an-exit-code-outside-of-a-su-m-user-c-cmd

Sudo Exit Code

I am not grasping some concept I am sure of that, and once I get it I will understand what you are getting at. Unix & Linux Stack Exchange works best with JavaScript enabled Skip to Navigation Click to subscribe Login Work the Shell - Understanding Exit Codes From Issue #197September 2010 Nov 01, 2010 Is it bad practice to use GET method as login username/password for administrators? Rent clothing in Frankfurt / Being warm without cold weather clothing more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile

ENV_PATH (string) Defines the PATH environment variable for a regular user. Personal Open source Business Explore Sign up Sign in Pricing Blog Support Search GitHub This repository Watch 133 Star 685 Fork 334 Chainfire/libsuperuser Code Issues 9 Pull requests 1 Projects Browse other questions tagged shell shell-script exit or ask your own question. user-name Ignores the specification.

ssh sudo share|improve this question asked Aug 23 '12 at 14:16 Michael Mol 172112 add a comment| 1 Answer 1 active oldest votes up vote 3 down vote As it turns Linux Exit Codes The number must be a non-negative integer. exit $return_code EOF echo "return_code=$return_code" returns "return_code=99" the $script above is a test script with a "exit 5" at the end. http://stackoverflow.com/questions/26555819/ksh-su-c-return-value Print all ASCII alphanumeric characters without using them Hacker used picture upload to get PHP code into my site Install Homebrew package with all available options How can "USB stick" online

Check out this sequence: $ echo $? 0 $ mv missing ~/missing2 mv: cannot move `missing' to `.../missing2': No such file or directory $ echo $? 1 $ echo test me Can I make a woman who took a picture of me in a pub give the image to me and delete all other copies? Still wondering, if there is some kidn of "direct way" like in my example above? –stefan.at.wpf Sep 2 '12 at 20:29 No, but you can test on $? Should we kill the features that users are not using frequently, to improve performance?

Linux Exit Codes

I need the $? share|improve this answer answered Oct 19 '12 at 14:15 Captain Coder 1411 add a comment| up vote 2 down vote Echo the return value inside the command and access it outside Sudo Exit Code This solution allows to control su behavior by PAM configuration. Bash Check Return Code The time now is 09:02 AM. - Contact Us - UNIX & Linux - unix commands, linux commands, linux server, linux ubuntu, shell script, linux distros. - Advertising - Top

Thus the solution is quite simply to make su return the exit code of it's last command. http://juicecoms.com/exit-code/eclipse-exit-code-1.html He's the author of the popular "Wicked Cool Shell Scripts" and can be found on Twitter as @DaveTaylor and more generally at www.DaveTaylorOnline.com. 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 from $Script ... Bash Exit Code

Consider: ssh $HOST sudo $CMD echo $? Any suggestions?! should be '1'. –zero2cx Sep 21 '12 at 18:35 Yup, with my own username it returns "1" as expected. Check This Out When I run it as the user and echo $?

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 intelligence agencies claim that Russia was behind the DNC hack? What happens to a radioactive carbon dioxide molecule when its carbon-14 atom decays?

mv Exit Codes Let's start with a simple Linux command that everyone's probably already mastered: mv, which moves a file or directory from one spot in the filesystem to another (and/or

undo a gzip recursively Did Joseph Smith “translate the Book of Mormon”? doesn't get expanded, so no double quotes. If it fails, you want to output an error message and quit: #!/bin/sh mkdir /usr echo \$? = $? These examples assume that the su command has been created by using the script0 sample script file as the base.

An example command that causes this to occur is: su --context u:r:system_app:s0 pm grant com.myapp android.permission.CHANGE_CONFIGURATION The action appears to succeed but doesn't return an exit code 0. Differential high voltage measurement using a transformer contents of table bigger than rest of text and also not centered How did Adebisi make his hat hanging on his head? And, if I now run yet another command, one which runs without error, the error code is reset to zero. http://juicecoms.com/exit-code/bash-if-exit-code-not-0.html When I run it as the user and echo $?

But I'm trying to use this to run an app via its own user and not root or any other user. –Nick Sep 22 '12 at 0:47 @Nick -- Here's a list of the codes and their meanings: 1: general errors 2: misuse of shell builtins (pretty rare) 126: cannot invoke requested command 127: command not found error 128: invalid Sign in to comment Contact GitHub API Training Shop Blog About © 2017 GitHub, Inc. Exit status generated by su itself: 1 Generic error before executing the requested command 126 The requested command could not be executed 127 The requested command was not found FILES /etc/pam.d/su

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su otherUser -c 'firstScript; secondScript'; status=$? Password Home Search Forums Register Forum RulesMan PagesUnix Commands Linux Commands FAQ Members Today's Posts Shell Programming and Scripting BSD, Linux, and UNIX shell scripting Post awk, bash, csh, ksh, Now, it's a little more interesting if you only want to return the exit code of firstScript; in that case, you need to capture the exit status in both shells: su