Hello to all those who know what they're doing!

This is my first attempt at using Threading and I've apparently stumpted myself. :(

I have a main body of code which will open a file handle and then I spawn a new thread which I would like to use to close this file handle that I've just opened outside the new thread.

Unfortunatley it doesn't seem like I can close the file handle in a different thread then which it was opened.

Does anyone have any ideas?

#!/usr/bin/perl

use Thread;

$filename = "/tmp/input.log";
$outputdir = "/var/log/";
$first_event = 1;
$position = 0;
$time = time();

# Define Timer
sub timer {
        my $counter = 0;
        while (1) {
                sleep(1);
                if ($counter >= 60) {
                        $counter = 0;
                        #
                        #I can't seem to close FILE from the main thre
+ad... why?
                        #
                        close (FILE);
                        $outputfile = $outputdir . "log-". time();
                        open(FILE, "> $outputfile") || die("Can't open
+ $outputfile to write to");
                }
                $counter++;
        }
}

$thr1 = new Thread \&timer; # Spawn the thread

open(TAIL, "tail --follow=name $filename|");
$outputfile = $outputdir . "log-". time();
open(FILE, "> $outputfile") || die("Can't open $outputfile to write to
+");
while (<TAIL>) {
        # do some stuff and print to FILE
}

[download]

Thanks! Matthew Schnarr

In reply to Threading and File Handles by matt.schnarr

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.