dwmb-volume (850B) - raw

      1 #!/usr/bin/env bash
      2 # Displays the default device, volume, and mute status for i3blocks
      3 
      4 
      5 AUDIO_HIGH_SYMBOL=""
      6 AUDIO_MED_SYMBOL=""
      7 AUDIO_LOW_SYMBOL=""
      8 AUDIO_MUTED_SYMBOL=""
      9 
     10 AMIXER=$(amixer get Master | tail -n 1) # get last line of amixer output
     11 
     12 # show either volume or mute
     13 if [[ $AMIXER =~ "[on]" ]]; then # check if channel is muted by checking if line contains the word "on"
     14     IFS=' ' read -ra args <<< "$AMIXER" # split string
     15 
     16     VOL="${args[4]:1:-2}" # get 4th argument (the volume) from the string we just split and remove the first and last argument (square brackets) and the % at the end
     17 
     18     if [ "$VOL" -le "0" ]; then
     19         echo "$AUDIO_LOW_SYMBOL"
     20     elif [ "$VOL" -le "50" ]; then
     21         echo "$AUDIO_MED_SYMBOL $VOL%"
     22     else
     23         echo "$AUDIO_HIGH_SYMBOL $VOL%"
     24     fi
     25 else
     26     echo "$AUDIO_MUTED_SYMBOL"
     27 fi