cleanup

.local/bin/vol

@@ -19,8 +19,11 @@ function update_vol() {
     case "$1" in
         +*|-*)
             CUR="$(($CUR + $1 - $CUR % $1 + $CUR % $1 * 10 / $1 / 5 * $1))"
-            [ "$CUR" -lt   0 ] && CUR=0
-            [ "$CUR" -gt 150 ] && CUR=150
+            if [ "$CUR" -lt 0 ]; then
+                CUR=0
+            elif [ "$CUR" -gt 300 ]; then
+                CUR=150
+            fi
             ;;
         *)
             CUR="$1"
@@ -40,7 +43,9 @@ else
     if [[ "$1" =~ [0-9] ]]; then
         update_vol "$1"
     fi
-    [ -n "$MUTE" ] && wpctl set-mute "$DEV" 0
+    if [ -n "$MUTE" ]; then
+        wpctl set-mute "$DEV" 0
+    fi
 fi
 
 kill "-$SIG" "$(cat "$HOME/.cache/pidofbar")"