batterie-status.scr

   1 #!/bin/sh
   2
   3 # On Android devices with Termux, notify the user when the device is charged to 80%
   4
   5 # set -x
   6
   7 # get the battery status and generate variables out of the returned jason data
   8 # then analyse the response
   9 # terminate loop when device is not charging or reached >79%
  10 while [ true ]
  11 do
  12   eval "$( \
  13     termux-battery-status | \
  14       jq -r 'to_entries | .[]  | map_values(tostring) | .key + "=\"" + .value + "\"" ' )"
  15   if [ "$status" != "CHARGING" ]
  16     then break
  17   elif [ $percentage -gt 79 ]
  18     then break
  19   fi
  20   sleep 5m
  21 done
  22
  23 # vibrate shortly, show details in the notification area
  24 termux-notification --id bs --title "Termux Battery-Status" --vibrate 200 \
  25   -c "$(date +"%e.%m.%Y %k:%M:%S"): $status, $plugged, $percentage%, $health health, $temperature °C"
  26
  27 # tell status and percentage in english, slightly slower speed than standard
  28 termux-tts-speak -l en -r 0.95 "$status, $plugged, $percentage%"
  29
  30 exit
  31
  32 # jq
  33 #  -r : output not in json format, raw
  34 #  to_entries: converts an object to an array of key-value pairs.
  35 #  .[] :  returns all of the elements of an array
  36 #  map_values(tostring) : convert numbers to strings, needed for the + later-on
  37 #  .key=.value : generate the variable assignment