baraction.sh script for spectrwm status bar

baraction.sh

#!/bin/bash
# baraction.sh script for spectrwm status bar

print_backlight() {
  if [ -e /sys/class/backlight/intel_backlight/brightness ]; then
    BL=$(oled-backlight current)
    echo -n "  BL:$BL%"
  else
    echo -n "  BL:Unknown"
  fi
}

print_volume() {
  VOL=$(pamixer --get-volume-human)
  MUTED=$(pamixer --get-mute)
  if [[ "$MUTED" == "true" ]]; then
    echo -n "  V:Muted"
  else
    echo -n "  V:$VOL"
  fi
}

print_battery() {
  batt=$(cat /sys/class/power_supply/BAT0/capacity)
  batt_state=$(cat /sys/class/power_supply/BAT0/status | cut -c-1)
  echo -n "  BAT:$batt_state$batt%"
}

SLEEP_SEC=5  # set bar_delay = 5 in /etc/spectrwm.conf
#loops forever outputting a line every SLEEP_SEC secs
while :; do
  print_backlight
  print_volume
  print_battery
  echo ""
  sleep $SLEEP_SEC
done