Error Exit Code Perl
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A • B • C • D • E F • G • H • I • L M • N • O • P • S T • U • X exit Perl 5 version perl exit with error message 24.0 documentation Go to top Show recent pages Home > Language reference > perl exit code 256 Functions > exit Please note: Many features of this site require JavaScript. You appear to have JavaScript disabled, or perl exit code 127 are running a non-JavaScript capable web browser. To get the best experience, please enable JavaScript or download a modern web browser such as Internet Explorer 8, Firefox, Safari, or Google Chrome. Recently perl exit code 13 read exit Perl functions A-Z | Perl functions by category | The 'perlfunc' manpage exit EXPR exit Evaluates EXPR and exits immediately with that value. Example: my $ans =
Perl Exit Code 1
other values are subject to interpretation depending on the environment in which the Perl program is running. For example, exiting 69 (EX_UNAVAILABLE) from a sendmail incoming-mail filter will cause the mailer to return the item undelivered, but that's not true everywhere. Don't use exit to abort a subroutine if there's any chance that someone might want to trap whatever error happened. Use die instead, which can be trapped by an eval. The exit function does not always exit immediately. It calls any defined END routines first, but these END routines may not themselves abort the exit. Likewise any object destructors that need to be called are called before the real exit. END routines and destructors can change the exit status by modifying $? . If this is a problem, you can call POSIX::_exit($status) to avoid END and destructor processing. See perlmod for details. Portability issues: exit in perlport. perldoc.perl.org - Official documentation for the Perl programming language Contact details Site maintained by Jon Allen (JJ) Documentation maintained by the Perl 5 Porters Manual Overview Tutorials FAQs Changes Reference Language Functions Operators Variables Modules Modules Pragmas Utilities Misc License Internals Platforms
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Perl Exit Code 9
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow http://stackoverflow.com/questions/7080434/getting-perl-to-return-the-correct-exit-code the company Business Learn more about hiring developers or posting ads with us Stack http://stackoverflow.com/questions/18440315/how-to-capture-the-exit-code-of-a-shell-script-in-a-perl-script Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Getting Perl to return the correct exit code up vote 7 down vote favorite 1 I'm using exit code Perl 5.10.1 on Ubuntu 11.04. I want Perl to execute a shell script and exit with the same code the shell script exits. But this isn't working for me ... system($runCmd) or die("Failed to run \"$runCmd\": $!"); I have confirmed that running the "$runCmd" by itself returns an exit code of 255, but the "die" clause isn't getting invoked. How do I exit with the correct code or at least fail for perl exit code non-success codes? Another minor requirement is that I want the output from $runCmd to be printed to the screen. perl share|improve this question edited Jan 28 '13 at 3:42 carillonator 3,58121733 asked Aug 16 '11 at 15:04 Dave 2,299145283 add a comment| 4 Answers 4 active oldest votes up vote 5 down vote accepted As perldoc -f die says, die doesn't give a specific exit code (only a nonzero exit code). To get what you want, you'll need something like: my $exit_code=system($runCmd); if($exit_code!=0) { print "Command $runCmd failed with an exit code of $exit_code.\n"; exit($exit_code >> 8); } else { print "Command $runCmd successful!\n"; } share|improve this answer edited Aug 16 '11 at 19:13 answered Aug 16 '11 at 15:10 Jack Maney 12.3k33153 6 You need: exit($exit_code >> 8). –ErikR Aug 16 '11 at 16:52 Why is that, exactly? –Jack Maney Aug 16 '11 at 16:53 3 The value returned from system() is an integer which encodes the exit value of the child process plus flags indicating how the child process exited (normal termination, killed by a signal, etc.) The value passed to exit() is just the exit value. –ErikR Aug 16 '11 at 16:56 2 The program /bin/false exits with exit value 1. But perl -e 'print system("
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How to capture the exit code of a shell script in a perl script? up vote 3 down vote favorite i want to pop up an alert box using perl script. I am using exit 0 to terminate the shell script successfully and exit 1 to terminate the shell script when an error occurs. I want to capture this exit code in the perl script. And depending on the value 0 or 1, I want to pop up an alert box with success or failure message respectively. perl shell share|improve this question edited Aug 26 '13 at 9:11 TLP 54.9k663118 asked Aug 26 '13 at 8:58 Rahul 701613 add a comment| 2 Answers 2 active oldest votes up vote 7 down vote You can check the exit code of another process with the child error variable $?. For example: system("perl foo.pl"); my $exit_val = $? >> 8; # now contains the exit value of the perl script Read the documentation for more info. share|improve this answer answered Aug 26 '13 at 9:06 TLP 54.9k663118 i used your method, but its giving 127. but i am using exit 0 in my shell script. so, i need a 0 instead of 127. –Rahul Aug 26 '13 at 10:25 @Rahul : $? & 127 will give you what you want, as explained in the linked documentation. –Zaid Aug 26 '13 at 10:55 ok i got. now how can i pop up a alert box in the perl script or using javascript inside perl. –Rahul Aug 26 '13 at 11:11 add a comment| up vote 5 down vote In case of exit 0:- shell script returns 0 to perl script $? variable but for exit 1 case:-it return 256 so needed to be shifted by 8 therefore try this: #!/usr/bin/perl print "pelr"; system("./shell.sh"); $p=$?>>8; print $p; NOTE- in shell script just put exit 0 and run and then exit 1. and see the o/p Just a note, when using system in perl, it returns the exit code multiplied by 256. So, if a command returns 1, system("comma