Fixed volume and message

scripts/notify.sh

@@ -2,25 +2,40 @@
 # Show system status in notification, or your own message
 # Syntaxis: notify [-vb] [<title> <message>]
 
+# Requirements: 
+# - brightnessctl
+# - pulsemixer
+
+panic () {
+    >&2 echo "Syntaxis: notify [-vb] [<title> [<message>]]"
+    exit 1
+}
+
 # Get options
 while getopts ":bv" options; do
 	case "${options}" in 
 		b) 	
-			value=$(brightnessctl | grep -o "[0-9]*%")
+			value=$( brightnessctl | grep -o "[0-9]*%" )
 			title="Brightness: ${value}"
             timeout=2000
+            class='top-center'
 			;;
 		v)
-			value=$(pactl get-sink-volume @DEFAULT_SINK@ | cut -d '/' -f2 | grep -o '[0-9]*%')
-            status=$(amixer get Master | grep "^  Front Left" | cut -d ' ' -f 8)
-            if [[ $status != "[on]" ]] ; then 
-                value="Disabled"
-			fi
+            # Get volume
+            value="$( pulsemixer --get-volume | cut -f1 -d' ' )%"
+
+            # If audio disabled
+            if [ ! "$( pulsemixer --get-mute )" -eq 0 ] ; then 
+                width=0
+                value="${value} (Disabled)"
+            fi
+
 			title="Volume: ${value:-'0%'}"
             timeout=2000
+            class='top-center'
 			;;
 		*)	
-			title="Unknown option"
+            panic
 			;;
 	esac
 done
@@ -28,25 +43,24 @@ done
 shift $((OPTIND - 1))
 
 # Check arguments
-if [[ $# -gt 2 ]] ; then 
-    >&2 echo "Syntaxis: notify [-vb] [<title> [<message>]]"
-    exit 1
-elif [[ $# -eq 2 ]] ; then
+if [ $# -gt 2 ] ; then 
+    panic
+elif [ $# -eq 2 ] ; then
     title=$1
     message=$2
-elif [[ $# -eq 1 ]] ; then 
+elif [ $# -eq 1 ] ; then 
     title=$1
 fi
 
 # Calculate length of coloured bar.
-if [[ "${value}" =~ ^[0-9]+%$ ]] ; then 
+if [[ "${value}" =~ ^[0-9]+%$ && "${width:--1}" -ne 0 ]] ; then 
     width=$(grep -o "[0-9]*" <<< "${value}")
 fi
 
 # Send message
 notify-send "${title}" "${message}" \
     -t "${timeout:=5000}" \
-    -c byMe \
+    -c "${class:=''}" \
  	-h int:value:"${width:=0}" \
-	-h string:x-canonical-private-synchronous:byMe # Replace if not yet gone
+	-h string:x-canonical-private-synchronous:byMe # Replace if previous still exists