bin/khatus_parse_bluetoothctl_show

   1 #! /usr/bin/awk -f
   2
   3 /^Controller / {
   4     controller = $2
   5     controllers[++ctrl_count] = controller
   6 }
   7
   8 /^\t[A-Z][A-Za-z]+:/ {
   9     key = $1
  10     sub(":$", "", key)
  11     sub("^\t" $1 " *", "")
  12     val = $0
  13     data[controller, key] = val
  14 }
  15
  16 END {
  17     # Using the 1st seen controller. Should we select specific instead?
  18     power_status = data[controllers[1], "Powered"]
  19     if (ctrl_count > 0) {
  20         if (power_status == "no") {
  21             show = "off"
  22         } else if (power_status == "yes") {
  23             show = "on"
  24         } else {
  25             print_error("Unexpected bluetooth power status: " power_status)
  26             show = "ERROR"
  27         }
  28     } else {
  29         show = "n/a"
  30     }
  31     print(show)
  32 }
  33
  34 function print_error(msg) {
  35     print(msg) > "/dev/stderr"
  36 }