while (<>)
{
    # remove trailing whitespaces:
    s/\s+$//;
    # Remove CR and LF
    s/[\r\n]//g;

    if ((m/^<(.*)/) || (m/^\S+ <(.*)/))
    {
        # store the previous command:
        if ($command ne "")
        {
            print "Adding: $command\n";
            $response{$command} = $resp;
            $ordered{$command} = $result if $ordered_received;
            $resp = "";
            $result = "";
            $ordered_received = 0;
            $command = "";
        }

        # a new command line:
        $command = $1;
        if ($command =~ /;/)
        {
            $command = uc($command) unless $case_sensitive;
        }
    }
    elsif ($ordered_received)
    {
        # collect the result lines
        $result .= "$_\r\n";
    }
    else
    {
        # collect the response lines
        $resp .= "$_\r\n";
    }
}