[Last Call] Learn how to a build a cloud-first strategyRegister Now

x
?
Solved

check new version on the web

Posted on 2008-10-01
4
Medium Priority
?
229 Views
Last Modified: 2010-03-05
i have to check when  a new version of antivirus is released on the web , i have planned to do a cron job in perl that checks a url .
The string to search in index.html is "<p>Latest <a href="/download/sources">ClamAV&trade; stable release</a> is: 0.94 <br />"  and i have to extract the version of this software for compare with mine .

have some idea???
0
Comment
Question by:blattamax
  • 2
  • 2
4 Comments
 
LVL 39

Expert Comment

by:Adam314
ID: 22618469

use LWP::Simple;
 
my $content = get('http://the.site.here/the/page/here');
die "Could not get content\n" unless $content;
 
my ($ver) = $content =~ /<p>Latest <a href="\/download\/sources">ClamAV&trade; stable release<\/a> is: ([\d\.]+)/;
 
print "Lastest version = $ver\n";
#Check $ver with whatever version you have

Open in new window

0
 

Author Comment

by:blattamax
ID: 22622280
thank u adam.. but dont work...

the output is


[root@issrepo01 ~]# ./test.pl
Lastest version =
[root@issrepo01 ~]#

what wrong?
0
 

Author Comment

by:blattamax
ID: 22622397
this is the string to check
Latest <a href="/download/sources">ClamAV&trade; stable release</a> is: 0.94 <br />
0
 
LVL 39

Accepted Solution

by:
Adam314 earned 750 total points
ID: 22625221
What is the output from this:
use LWP::Simple;
 
my $content = get('http://the.site.here/the/page/here');
die "Could not get content\n" unless $content;
 
if($content =~ /<p>Latest <a href="\/download\/sources">ClamAV&trade; stable release<\/a> is: ([\d\.]+)/) {
    print "Lastest version = $ver\n";
}
else {
    print "Could not determine latest version.  Content:\n$content\n";
}

Open in new window

0

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Many time we need to work with multiple files all together. If its windows system then we can use some GUI based editor to accomplish our task. But what if you are on putty or have only CLI(Command Line Interface) as an option to  edit your files. I…
Checking the Alert Log in AWS RDS Oracle can be a pain through their user interface.  I made a script to download the Alert Log, look for errors, and email me the trace files.  In this article I'll describe what I did and share my script.
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions. Consider email address RFCs: Look at HTML5 form input element (with type=email) regex pattern: T…
Six Sigma Control Plans
Suggested Courses

830 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question