x2/src/awk/exe/parse_bluetoothctl_show.awk

   1 /^Controller / {
   2     controller = $2
   3     controllers[++ctrl_count] = controller
   4 }
   5
   6 /^\t[A-Z][A-Za-z]+:/ {
   7     key = $1
   8     sub(":$", "", key)
   9     sub("^\t" $1 " *", "")
  10     val = $0
  11     data[controller, key] = val
  12 }
  13
  14 END {
  15     # Using the 1st seen controller. Should we select specific instead?
  16     power_status = data[controllers[1], "Powered"]
  17     if (ctrl_count > 0) {
  18         if (power_status == "no") {
  19             show = "off"
  20         } else if (power_status == "yes") {
  21             show = "on"
  22         } else {
  23             print_error("Unexpected bluetooth power status: " power_status)
  24             show = "ERROR"
  25         }
  26     } else {
  27         show = "n/a"
  28     }
  29     print("power_status", show)
  30 }
  31
  32 function print_error(msg) {
  33     print(msg) > "/dev/stderr"
  34 }