Rework argument parsing to support position-independent arguments

ptgdp

@@ -320,7 +320,10 @@ playlist() {
 
 # Main
 main() {
-	# Getopts before anything else
+	# Parse out arguments
+	# Done in a nested loop so that flags are position-independent
+	while [ -n "$1" ]; do
+		# Parse out flags
 		while getopts ":c:dhmpv" opt; do
 			case $opt in
 				c)
@@ -349,6 +352,14 @@ main() {
 					;;
 			esac
 		done
+		# Store arguments
+		shift $((OPTIND - 1))
+		if [ -n "$1" ]; then
+			_args+=("$1")
+			shift
+		fi
+		unset OPTIND
+	done
 	# Early hook for help
 	[ -n "$_opthelp" ] && printhelp && exit 0
 	# Parse out a config file if it exists
@@ -366,11 +377,6 @@ main() {
 	else
 		warn "Could not find configuration file" 2
 	fi
-	# Store arguments
-	shift $((OPTIND - 1))
-	for arg in "$@"; do
-		_args+=("$arg")
-	done
 	# Validate critical options
 	if [ -z "$_optmachinemode" ]; then
 		# Ensure we have a good backend, assuming we're not in a scripting mode