ptgdp: Switch from a getopts arg to parsing out program arguments for playlists

This is a breaking change
It's also actually the right way to do things and it comes with multiple playlist support

ptgdp

@@ -18,6 +18,7 @@ _xdguserdirs="${XDG_CONFIG_HOME:-$HOME/.config}/user-dirs.dirs"
 _musicdir="${XDG_MUSIC_DIR:-$HOME/Music}"
 _ptgdpmusicdir="$_musicdir/${PTGDP_MUSIC_DIR:-PTGDP Songs}"
 declare -a _queue
+declare -a _playlists
 
 # Helper functions
 log() {
@@ -177,8 +178,15 @@ execqueue() {
 		file=${file##$_musicdir/}
 		mpc add "$file" > /dev/null 2>&1 || error "Could not add file: \"$file\""
 	done
+}
+execplaylists() {
+	# Plays all playlists in _playlists
+	for list in "${_playlists[@]}"; do
+		playlist "$list" || error "Failed to play playlist: \"$list\""
+	done
 	if [ -n "$_optautoplay" ]; then
 		mpc play > /dev/null 2>&1
+		log "Started playback"
 		unset _optautoplay
 	fi
 }
@@ -232,13 +240,9 @@ clearcache() {
 }
 helptext() {
 	cat << EOF
-Usage: $_name [OPTION]
-Use youtube-dl and mpc to queue up a playlist given a file of only search
-queries. The first result found is the one that will be downloaded. Downloaded
-files are cached in your Music folder under "PTGDP Songs" for offline use.
-  -f <file>		The playlist file to load. The file should be plaintext
-			containing a YouTube search query on each line.
-			Comments are supported and prepended with #
+Usage: $_name [OPTION]... [FILE]...
+Use youtube-dl and a music player to queue up or download a number of songs
+given plaintext FILEs with only search queries.
 
   -c			Clears the cache (which can become quite large)
   -d			Download only; don't queue anything up
@@ -303,7 +307,8 @@ rofimenu() {
 	choice="$(rofi -dmenu -i -p "$prompt" <<< "$playlists" 2>/dev/null)"
 	[ -z "$choice" ] && error "User aborted at selection" 62
 	if [ -z "$_optrofisong" ]; then
-		playlist "$_optrofi"/"$choice".gdp
+		_playlists+=("$_optrofi"/"$choice".gdp)
+		execplaylists
 	else
 		rofiplaysong "$_optrofi"/"$choice".gdp
 	fi
@@ -401,7 +406,7 @@ main() {
 	mkdir -p "$_ptgdpmusicdir"
 	trap trapexit EXIT
 
-	# Actual program stuff
+	# Get options
 	while getopts ":cdDf:pr:R:sh" opt; do
 		case $opt in
 			c)
@@ -414,9 +419,6 @@ main() {
 			D)
 				_optdryrun=1
 				;;
-			f)
-				_optfile="$OPTARG"
-				;;
 			p)
 				_optautoplay=1
 				;;
@@ -442,12 +444,25 @@ main() {
 				;;
 		esac
 	done
+	# Get program arguments (playlists)
+	shift $((OPTIND - 1))
+	for list in "$@"; do
+		if ! [ -f "$list" ]; then
+			error "Failed to find playlist: $list"
+			continue
+		fi
+		_playlists+=("$list")
+	done
 	[ -z "$_optdownloadonly" ] && [ -z "$_optdryrun" ] && ! validatedeps mpc && error "$_return is required outside of dry- and download-only runs"
-	[ -n "$_optfile" ] && [ -n "$_optrofi" ] && error "Flags -f and -r conflict" 2
+	[ -n "$_playlists" ] && [ -n "$_optrofi" ] && error "Flag -r cannot be used with playlist arguments" 2
 	[ -n "$_optdownloadonly" ] && [ -n "$_optautoplay" ] && error "Flags -d and -p conflict" 2
 	if [ -n "$_optrofi" ]; then rofimenu; exit $?; fi
-	if [ -n "$_optfile" ]; then playlist "$_optfile"; exit $?; fi
-	error "Nothing to do" 0
+	if [ -n "$_playlists" ]; then
+		execplaylists
+		exit $?
+	else
+		error "Nothing to do" 1
+	fi
 }
 
 main "$@"