What attacks can a Unix box get through Javascript?
Is the Web Client secure against Javascript attacks if any?
Do we have a Trojan horse made in JavaScript? (3 Replies)
Hi,
Please advise how can we clear the following javascript content from a file commandline, probably using awk or sed
File before removing the content.
################################
root@server1 # cat index.html
This is a test page
<script language=JavaScript>function d(x){var... (6 Replies)
Hello,
I looking to use grep to return a string with exactly n matches.
I'm building off this:
ls -aLl /bin | grep '^.\{9\}x' | tr -s ' '
-rwxr-xr-x 1 root root 632816 Nov 25 2008 vi
-rwxr-xr-x 1 root root 632816 Nov 25 2008 view
-rwxr-xr-x 1 root root 16008 May 25 2008... (7 Replies)
Hello,
I'm working on unix with grep (GNU grep) 2.5.1. I'm going through some of the newer regex syntax using Regular Expression Reference - Advanced Syntax a guide.
ls -aLl /bin | grep "\(x\)"
Which works, just highlights 'x' where ever, when ever.
I'm trying to to get (?:) to work but... (4 Replies)
1. The problem statement, all variables and given/known data:
Prepare a report discussing from an administration and security perspective, role and function of a JavaScript within a UNIX network. You should illustrate your answer with practical examples. In particular attention should me paid to... (1 Reply)
Hi
Need help...I have wrritten one code for html through shell scripting in that i am using java scripts to validate some condition and open the html page without clicking the button....
Code Details
echo "<script type="text/javascript">"
echo "function exec_refresh()"
echo "{"
... (4 Replies)
I want to navigate through a webpage and save that page in my system local automatically. How can I do that by using JavaScript in a Unix shell script. Any suggestions are welcome! (3 Replies)
Where should I put my javascript source code in order to run it "locally" by file not by http?---not sure this "locally" is the appropriate word here.
My test is when my javascript code (test.js) is put in the site default folder as the test.html in /var/www/html both worked as expected with... (2 Replies)
Discussion started by: yifangt
2 Replies
LEARN ABOUT DEBIAN
object::id
Object::ID(3pm) User Contributed Perl Documentation Object::ID(3pm)NAME
Object::ID - A unique identifier for any object
SYNOPSIS
package My::Object;
# Imports the object_id method
use Object::ID;
DESCRIPTION
This is a unique identifier for any object, regardless of its type, structure or contents. Its features are:
* Works on ANY object of any type
* Does not modify the object in any way
* Does not change with the object's contents
* Is O(1) to calculate (ie. doesn't matter how big the object is)
* The id is unique for the life of the process
* The id is always a true value
USAGE
Object::ID is a role, rather than inheriting its methods they are imported into your class. To make your class use Object::ID, simply "use
Object::ID" in your class.
package My::Class;
use Object::ID;
Then write your class however you want.
METHODS
The following methods are made available to your class.
object_id
my $id = $object->object_id;
Returns an identifier unique to the $object.
The identifier is not related to the content of the object. It is only unique for the life of the process. There is no guarantee as to
the format of the identifier from version to version.
For example:
my $obj = My::Class->new;
my $copy = $obj;
# This is true, $obj and $copy refer to the same object
$obj->object_id eq $copy->object_id;
my $obj2 = My::Class->new;
# This is false, $obj and $obj2 are different objects.
$obj->object_id eq $obj2->object_id;
use Clone;
my $clone = clone($obj);
# This is false, even though they contain the same data.
$obj->object_id eq $clone->object_id;
object_uuid
my $uuid = $object->object_uuid
Like "$object->object_id" but returns a UUID unique to the $object.
Only works if Data::UUID is installed.
See Data::UUID for more details about UUID.
FAQ
Why not just use the object's reference?
References are not unique over the life of a process. Perl will reuse references of destroyed objects, as demonstrated by this code
snippet:
{
package Foo;
sub new {
my $class = shift;
my $string = shift;
return bless {}, $class;
}
}
for(1..3) {
my $obj = Foo->new;
print "Object's reference is $obj
";
}
This will print, for example, "Object's reference is Foo=HASH(0x803704)" three times.
How much memory does it use?
Very little.
Object::ID stores the ID and address of each object you've asked the ID of. Once the object has been destroyed it no longer stores it. In
other words, you only pay for what you use. When you're done with it, you don't pay for it any more.
LICENSE
Copyright 2010, Michael G Schwern <schwern@pobox.com>.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
See <http://www.perl.com/perl/misc/Artistic.html>
THANKS
Thank you to Vincent Pit for coming up with the implementation.
perl v5.12.4 2011-09-26 Object::ID(3pm)