I'm using Win32::EventLog to parse the event log of some servers. I've run into a really weird issue where it's not giving me all the events when I try to iterate over them! Here's a sample script:
#!perl
use strict;
use Win32::EventLog;
# open the System event log
my $log = new Win32::EventLog("Application")
or die "Unable to open application log:$^En";
my $SupposedCount = 0;
my $ActualCount = 0;
#populate the Supposed Count
$log->GetNumber($SupposedCount);
# Now populate the ACTUAL count of events!
while ($log->Read((EVENTLOG_SEQUENTIAL_READ|EVENTLOG_BACKWARDS_READ),1
+, my $entry)) {
$ActualCount++;
}
print "Supposed Count: $SupposedCount\n";
print "Actual Count: $ActualCount\n";
So in this script, I would expect $SupposedCount and $ActualCount to be identical, however, this is the script's output:
---------------------
C:\>perl events.pl
Supposed Count: 26382
Actual Count: 1261
-------------------
Any ideas what I'm doing wrong here? Why is it skipping so many events?
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: |
| & | | & |
| < | | < |
| > | | > |
| [ | | [ |
| ] | | ] |
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.