Welcome, here is a hint. The more effort it appears you have put in the more help you will get. Now here is a short snippet to read a file in the hope you might develop good habits right from the get up and go.

#!/usr/bin/perl

use strict;
use warnings;
use diagnostics;  # this will help you understand the error messages b
+etter.

my $file = "C:/path/to/some/file.txt";

open FILE, "<$file" or die "Can't read $file perl says error is $!\n";
while( my $line = <FILE> ) {
    chomp $line;
    print "Got: $line\n";
}
close FILE;
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You may need to read up on split to split the line into bits. Then you would want to RTFM of Net::SNMP. A Guide to Installing Modules will help you install it, and a bit of reading will see you up and running in no time.