add audio support, add labels

audio

@@ -1,5 +1,22 @@
 #!/bin/bash
-sl=$(amixer get Master | tail -n 1)
-status=$(echo "${sl}" | grep -wo "on")
-volume=$(echo "${sl}" | awk -F ' ' '{print $5}' | tr -d '[]%')
-echo ${volume}
+amixer get Master | gawk '
+    match($0, /\[([0-9]+)\%\]/, matches) {
+        audio=matches[1]
+    }
+    END {
+        printf("%d%", audio)
+        print("\n")
+        if (audio < 75) {
+            print("#04B431\n")
+        } else if (audio < 80) {
+            print("#A8FF00\n")
+        } else if (audio < 85) {
+            print("#FFF600\n")
+        } else if (audio < 90) {
+            print("#FFAE00\n")
+        } else if (audio < 95) {
+            print("#FF0000\n")
+        } else {
+            exit 33
+        }
+    }'