Add comments and error consistency.

files/dwm/volume.function

@@ -35,6 +35,9 @@ alias volume-help="volume-usage"
 alias vol-h="volume-help"
 
 function volume {
+
+	## Check Params ##
+
 	if [[ "$1" == "--help" || "$1" == "help" || "$1" == "-h" ]]; then
 		volume-usage 1
 		return 1
@@ -46,13 +49,16 @@ function volume {
 		return 0
 	fi
 
-	if [[ "$1" == *"%"* || "$2" == *"%"* ]]; then
-		set -- "${1//%/}" "${2//%/}"
-	fi
+	## Parse Params ##
 
 	dir=""
 	amt=""
 
+	# Remove percent signs.
+	if [[ "$1" == *"%"* || "$2" == *"%"* ]]; then
+		set -- "${1//%/}" "${2//%/}"
+	fi
+
 	# Check if format is written text.
 	if [[ "$1" == "full" || "$1" == "max" ]]; then
 		amt=100
@@ -101,6 +107,7 @@ function volume {
 		amt="$1"
 	fi
 
+	## Error Checking ##
 	regex='^[0-9]+$'
 	if ! [[ $amt =~ $regex ]]; then
 		echo "> ERROR: Amount '$amt' does not seem like a integer."
@@ -108,6 +115,8 @@ function volume {
 		return 2
 	fi
 
+	## Main ##
+
 	if [[ -n "$dir" && -n "$amt" ]]; then
 		echo "> Changing volume by '$dir$amt%'."
 		amixer -q sset Master ${amt}%${dir}
@@ -122,7 +131,7 @@ function volume {
 		return 0
 	fi
 
-	echo "Error: Should not have made it here. Please report this to the developer."
+	echo "> ERROR: Should not have made it here. Please report this to the developer."
 	echo "$0 $1 $2"
 	return 7
 }