Usage of ./wifiqr:
  -enc string
        The wireless network encryption protocol (WEP, WPA, WPA2). (default "WPA2")
  -file string
        A png file to write the QR Code (prints to stdout if not set).
  -hidden string
        Hidden SSID true/false. (default "false")
  -key string
        A pre-shared key (PSK). You'll be prompted to enter the key if not set.
  -size int
        Size is both the image width and height in pixels. (default 256)
  -ssid string
        The name of the wireless network. You'll be prompted to enter the SSID if not set.
  -version
        Show version.