I recommend cutting out all the extra code next time, it is very distracting from the actual problem. So here is the code that you say appears to be bad

#-------------------Watch for IRC Inputs-------------------
sub incoming_data {
    my ( $fd, $condition, $fh ) = @_;
    
    print "its going\n";
    
    if ( $condition eq 'in' ) {
        my $input;
        sysread $fh, $input, 1000000;
        #chop $input;
        
        $input =~ s/\r\n//g;
    my $hashref = $parser->parse( $input );
    SWITCH: {
          my $type = lc $hashref->{command};
          my @args;
          push @args, $hashref->{prefix} if $hashref->{prefix};
          push @args, @{ $hashref->{params} };
          if ( defined $dispatch{$type} ) {
            $dispatch{$type}->(@args);
            last SWITCH;
          }
          print STDOUT join( ' ', "irc_$type:", @args ), "\n";
    }
}
        
    return 1;
}
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First, I recommend changing:

        sysread $fh, $input, 1000000;
        #chop $input;
        
        $input =~ s/\r\n//g;
[download]

to:

    $input = <$fh>;
    chomp $input;
[download]

You can put a loop in there if you want to handle more than one line at a time. What you are doing mushes everything together and makes it unparseable.