fix weirder arg stuff, make a bit faster

rss/youtube

@@ -6,14 +6,11 @@ argv0="$0"
 
 PIGPEN="$(pig_pen)"
 
-id(){
+latin(){
-	youtube-dl --skip-download --print-json --playlist-items 1 "$1" \
+	case "$1" in
-		| jq '.channel_id' \
+	*json)	jq '.feed.pig' <"$1" ;;
-		| tr -d '"'
+	*xml)	xq '.feed.pig' <"$1" ;;
-}
+	esac
-
-feedurl(){
-	printf "http://www.youtube.com/feeds/videos.xml?channel_id=%b\n" "$1"
 }
 
 list_channels(){
@@ -35,16 +32,13 @@ list_channels(){
 }
 
 list_videos(){
-	file="$( \
+	file="$(printf "$PIGPEN"/$( \
-		ls "$PIGPEN" \
-		| grep "$( \
 		list_channels \
-				| sed "/$(printf '%b' "$1")/q" \
+			| sed "/$1/q" \
 			| tail -n 1 \
 			| cut -f 1 \
-				| xargs pig_name
+			| xargs pig_name \
-		)" \
+	)*)"
-	)"
 	case "$file" in
 	*json)
 		jq \
@@ -69,14 +63,9 @@ list_videos(){
 		-e '$d' \
 		-e 's/\": \"/	/g' \
 		-e 's/^  \"//g' \
-		-e 's/\"\,$//g' # this is really hacky
+		-e 's/\,$//g' \
-}
+		-e 's/\"$//g' # this is really hacky
 
-latin(){
-	case "$1" in
-	json)	jq '.feed.pig' <"$1" ;;
-	xml)	xq '.feed.pig' <"$1" ;;
-	esac
 }
 
 stow(){
@@ -109,12 +98,12 @@ usage(){
 	printf "\
 Usage: %s
 	list_channels
-	list_videos [channel name...]
+	list_videos [channel name]
 	listen [video URL]
 	refresh (channel name...)
 	subscribe [channel URL...]
-	watch [video URL...]
+	watch [video URL]
-	watch_latest [channel name...]
+	watch_latest [channel name]
 " "$argv0" 1>&2
 }
 
@@ -125,12 +114,7 @@ list_channels)
 	list_channels
 	;;
 list_videos) # do something with youtube-dl?
-	str isvalue "$2" \
+	list_videos "$2"
-		|| usage
-	while str isvalue "$2"
-		do list_videos "$2"
-		shift
-	done
 	;;
 listen)
 	str isvalue "$2" \
@@ -166,7 +150,13 @@ subscribe)
 	str isvalue "$2" \
 		|| usage
 	while str isvalue "$2"
-		do stow "http://www.youtube.com/feeds/videos.xml?channel_id=$(id "$2")"
+		do stow "http://www.youtube.com/feeds/videos.xml?channel_id=$(
+				youtube-dl \
+					--get-filename \
+					--playlist-items 1 \
+					-o '%(channel_id)s' \
+					"$2" \
+		)"
 		shift
 	done
 	;;
@@ -180,14 +170,11 @@ watch) # needs work
 watch_latest)
 	str isvalue "$2" \
 		|| usage
-	while str isvalue "$2"
+	watch "$( \
-		do watch "$( \
 		list_videos "$2" \
 			| head -n 1 \
 			| cut -f 1 \
 	)"
-		shift
-	done
 	;;
 *)	usage ;;
 esac