First Documentation

[TermuxBatteryStatus.git] / batterie-status.scr

#!/bin/sh

# On Android devices with Termux, notify the user when the device is charged to 80%

# set -x

# get the battery status and generate variables out of the returned jason data
# then analyse the response
# terminate loop when device is not charging or reached >79%
while [ true ]
do
  eval "$( \
    termux-battery-status | \
      jq -r 'to_entries | .[]  | map_values(tostring) | .key + "=\"" + .value + "\"" ' )"
  if [ "$status" != "CHARGING" ] 
    then break
  elif [ $percentage -gt 79 ]
    then break
  fi
  sleep 5m
done

# vibrate shortly, show details in the notification area
termux-notification --id bs --title "Termux Battery-Status" --vibrate 200 \
  -c "$(date +"%e.%m.%Y %k:%M:%S"): $status, $plugged, $percentage%, $health health, $temperature °C"

# tell status and percentage in english, slightly slower speed than standard
termux-tts-speak -l en -r 0.95 "$status, $plugged, $percentage%"

exit

# jq
#  -r : output not in json format, raw
#  to_entries: converts an object to an array of key-value pairs.
#  .[] :  returns all of the elements of an array
#  map_values(tostring) : convert numbers to strings, needed for the + later-on
#  .key=.value : generate the variable assignment