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reserved word, then the shell shall immediately exit. But i got: nslookup: '.somedomain.com' is not a legal name (empty label) and it breaken running the script.. Should indoor ripened tomatoes be used for sauce? You don’t indent the following line. this contact form

example: Code: while read domain;do nslookupout=$(nslookup -type=ns $domain) || true another commands done < filenamewithdomains i added: || true after the command in belief it will just skip failures. Why write an entire bash script in functions? My home country claims I am a dual national of another country, the country in question does not. The posix standard explains this behaviour: When this [set -e] option is on, if a simple command fails for any of the reasons listed in Consequences of Shell Errors or returns

Bash Script Ignore Error Continue

But for a particular script I want to ignore the error. I was inattentive. Password Home Search Forums Register Forum RulesMan PagesUnix Commands Linux Commands FAQ Members Today's Posts Shell Programming and Scripting Unix shell scripting - KSH, CSH, SH, BASH, PERL, PHP, SED, AWK asked 1 year ago viewed 12207 times active 1 year ago Related 11Does `Segmentation fault` message come under STDERR?2Stderr of piped shell scripts isn't always displayed3Why is it possible to refer

  • But this script prints “a-b-True”, where some people (myself included) might have expected it to print “a-False”: set -e myfun() { printf a-;
  • more hot questions question feed lang-bsh about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation
  • As the Bash Reference Manual explains, "The shell does not exit" when the -e attribute is set "if the command that fails is part of the command list immediately following a
  • share|improve this answer answered Apr 21 '15 at 23:13 Lily Finley 59759 3 This just inverts exit code of a command, so command that finished successfully will return 1 instead
  • Yes, pipe "|| true" to the end of command, e.g. # foo || true -bash: foo: command not found # echo $? 0 As you can see even the command foo
  • Unexpected parent process id in output Adopt A Jet/Book Are there any 'smart' ejection seats?
  • Realism of a setting with several sapient anthropomorphic animal species How's the CMD trip bonuses from extra legs work?
  • Since the null command does nothing but always succeeds, you would see an exit code of 0.
  • UNIX is a registered trademark of The Open Group.
  • And, as discussed above, || short-circuits so the RHS is only executed if the LHS fails (returns non-zero).

Related posts: How to perform syntax check on a bash script? I can't believe I messed that up. :) Edited with the correction. –Gerry Mar 30 '15 at 1:58 add a comment| up vote 1 down vote I always loved chmod -f Can a creature benefit from differently typed speed bonuses all named fast movement? Bash Script Error Output Will the medium be able to last 100 years?

American English: are [ə] and [ʌ] different phonemes? Bash Ignore Error Code Do COB LEDs usually need electrically insulating from the heatsink? 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 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

Meaning of "soul-sapping" Limit involving exponentials and arctangent without L'Hôpital Subtraction with a negative result How does the pilot control the Dassault Rafale? Bash Script Error Log Browse other questions tagged bash shell unix or ask your own question. Realism of a setting with several sapient anthropomorphic animal species more hot questions question feed lang-sh about us tour help blog chat data legal privacy policy work here advertising info mobile up vote 7 down vote favorite 1 I'm trying to show the number of lines, words and characters of all configuration files in /etc/*conf (with command wc).

Bash Ignore Error Code

Meaning of "soul-sapping" How to indicate you are going straight? Questions are collected, answered and audited by experienced Linux users. Bash Script Ignore Error Continue Hello, i have bash script where im cycling some command for different lines in external file. Bash Script Error Command Not Found 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

the null command, if chmod fails. weblink 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 How rich can one single time travelling person actually become? Why can a Gnome grapple a Goliath? Bash Script Error Check

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 A more reliable way is exec 3>&2 exec 2> /dev/null (do stuff where you don't want to see the stderr.) exec 2>&3 which saves the original stderr in file descriptor 3, Is there a way to make a metal sword resistant to lava? http://waspsoft.com/bash-script/bash-script-bus-error.html What could cause the throttle to stick in my Ford Ranger?

Password Protected Wifi, page without HTTPS - why the data is send in clear text? Bash Script Error Message Hot Network Questions How does Gandalf get informed of Bilbo's 111st birthday party? Suppress any unwanted output with 2>/dev/null and use set -e in scripts. –ott-- Mar 30 '15 at 0:43 add a comment| 3 Answers 3 active oldest votes up vote 14 down

will prevent the shell from exiting no matter what.

How can I do that ? Forum Operations by The UNIX and Linux Forums current community blog chat Super User Meta Super User your communities Sign up or log in to customize your list. Meaning of "soul-sapping" Skeletal formula for carbon with two double bonds Realism of a setting with several sapient anthropomorphic animal species Rosa Parks is a [symbol?] for the civil rights movement? Bash Script Error Exit I know I can do it on the command line, as in: $ ./test1.sh 2> /dev/null ...

Content is available under Attribution-Noncommercial-Share Alike 3.0 Unported unless otherwise noted. not that it makes much of a computational difference here. –dhag Mar 30 '15 at 0:33 Thank you for that. Unexpected parent process id in output Limit involving exponentials and arctangent without L'Hôpital How to increase the population growth of the human race How to deal with a very weak student? his comment is here It causes the script to exit immediately if an error occurs, except where you explicitly handle the error with: some_command_that_might_fail || true # to ignore error, or:

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For example this prints “a”, as you’d expect: set -e myfun() { printf a; false; printf b; } My girlfriend has mentioned disowning her 14 y/o transgender daughter How to deal with a really persuasive character? no outgoing connection via ipv4 Why did companions have such high social standing? Is it possible to check for existence of member template just by identifier?

A trap on ERR, if set, is executed before the shell exits. Adopt A Jet/Book What to tell to a rejected candidate?