Hi Monks,

I am attempting to write a script which will check back with the main server for the latest version.

Currently I am using LWP::Simple to fetch a copy of the script from the main server and would like to pull $VERSION out of that.

I have several questions:

1. Can anyone see a problem with this method or suggest a better one?
2. Is there a way to temporarily evaluate the code I pull in so I can get the version via something like $temp::VERSION?

Any help would be appreciated. I've attached my test code below

Cheers,
Reagen

#!/usr/bin/perl

use strict;
use warnings;
use LWP::Simple;

BEGIN {
  use vars qw($VERSION $PID);
  $VERSION = '0.01';
  $PID = "/var/run/test.pid";

  # create our running pid file
  open PID, "> $PID";
  print PID $$;
  close PID;

  # check we are the latest version
  my $content = get("http://www.someurl.com/software/$0");
  die "Couldn't get it!" unless defined $content;

  # can we eval $content to get $VERSION?
  $SERVER_VERSION = 0;
  print "Server version: $SERVER_VERSION\n";
  print "Local version: $VERSION\n";

} # end-begin

# cleaning up
END {
  `rm -f /$PID`;
} # end-end

exit;

[download]

In reply to Checking for latest version by rsiedl

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.