CGI/Perl Guide
|
Learning Center
|
Forums
|
Advertise
|
Login
Site Search:
in
Perl Guide
PerlGuru Forums
Learning Ctr
MAIN
INDEX
SEARCH
POSTS
WHO'S
ONLINE
LOG
IN
Home
:
Perl Programming Help
:
Beginner
:
what $?>>8 means?
Print Thread
lsy
Novice
May 22, 2012, 8:46 PM
Post #1 of 4 (940 views)
what $?>>8 means?
Can't Post
from some perl code, i saw this $?>>8
$? i know is return the result from last system call, but what >>8 means?? is it other number refer to other meaning?
rovf
Veteran
May 23, 2012, 12:04 AM
Post #2 of 4 (937 views)
Re: [lsy] what $?>>8 means?
[
In reply to
]
Can't Post
It's the right shift operator. See
perldoc perlop
.
The exit code of the executed command is stored in the left half of the 16 bit value of $?.
lsy
Novice
May 23, 2012, 12:28 AM
Post #3 of 4 (936 views)
Re: [rovf] what $?>>8 means?
[
In reply to
]
Can't Post
what is that call?
rovf
Veteran
May 23, 2012, 1:59 AM
Post #4 of 4 (925 views)
Re: [lsy] what $?>>8 means?
[
In reply to
]
Can't Post
Quote
what is that call?
Which call?
Announcements
PerlGuru Announcements
Perl Programming Help
Frequently Asked Questions
Beginner
Intermediate
Advanced
Regular Expressions
mod_perl
DBI
Win32 Programming Help
Fun With Perl
Perl Quizzes - Learn Perl the Fun Way
Perl Golf
Perl Poetry
Need a Custom or Prewritten Perl Program?
I need a program that...
I Need a Programmer for Freelance Work
Throw Down The Gauntlet
General Discussions
General Questions
Feedback
Tutorial/Article Suggestions for The Learning Cent
Internet Security
Other Programming Languages
Javascript
PHP
Search
this forum
this category
all forums
for
All words
Any words
Whole Phrase
(
options
)
Powered by
Gossamer Forum v.1.2.0
Web Applications
&
Managed Hosting
Powered by Gossamer Threads
Visit our
Mailing List Archives
MAIN
SEARCH
WHO'S 
LOG 