October 2001
Beginner
528 pages
15h 20m
English
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Adding Link Checking
We’re going to put just one more little embellishment into the
make_page.cgi
script. At the end of the
®enerate_links
process, it would be nice to run the
quick-and-dirty version of the link-checking script we saw back in
Chapter 11 (the one that just checked for breakage
in links pointing to files in the local filesystem). The idea here is
that the user has just added some pages to the site, with
IMG and A tags pointing to
other files on the site, and it would be nice to run a quick check to
let the user know if any of those links were broken.
As it turned out, nothing could be easier. We can just stick a copy
of that first version of the link checker in the same directory as
make_page.cgi and modify its configuration
variables to point it at the CyberFair site. We should also set it to
output its results as HTML.
Then we add the following to the end of the
®enerate_site_links subroutine in
make_page.cgi:
my $report = `$fs_root/maint/link_check.plx`;
if ($report =~ /<BODY>(.+)<\/BODY>/s) {
$content .= $1;
}
&show_links;That just runs the
link checker using backticks
(`), captures the output into
$report, and then uses a regular expression to
extract just the portion of the report between the
<BODY> and </BODY>
tags. That report is appended to the $content
variable, so any broken links are reported to the user in the results
page he sees after invoking
®enerate_site_links.
There are several things that the scripts described in these last four chapters ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.