Mike42\Escpos\PrintConnectors\WindowsPrintConnector::finalizeLinux PHP Method

    protected function finalizeLinux($data)
    {
        /* Non-Windows samba printing */
        $device = "//" . $this->hostname . "/" . $this->printerName;
        if ($this->userName !== null) {
            $user = ($this->workgroup != null ? $this->workgroup . "\\" : "") . $this->userName;
            if ($this->userPassword == null) {
                // No password
                $command = sprintf("smbclient %s -U %s -c %s -N", escapeshellarg($device), escapeshellarg($user), escapeshellarg("print -"));
                $redactedCommand = $command;
            } else {
                // With password
                $command = sprintf("smbclient %s %s -U %s -c %s", escapeshellarg($device), escapeshellarg($this->userPassword), escapeshellarg($user), escapeshellarg("print -"));
                $redactedCommand = sprintf("smbclient %s %s -U %s -c %s", escapeshellarg($device), escapeshellarg("*****"), escapeshellarg($user), escapeshellarg("print -"));
            }
        } else {
            // No authentication information at all
            $command = sprintf("smbclient %s -c %s -N", escapeshellarg($device), escapeshellarg("print -"));
            $redactedCommand = $command;
        }
        $retval = $this->runCommand($command, $outputStr, $errorStr, $data);
        if ($retval != 0) {
            throw new Exception("Failed to print. Command \"{$redactedCommand}\" " . "failed with exit code {$retval}: " . trim($errorStr) . trim($outputStr));
        }
    }