support JSON feeds

rss/pig_latin

@@ -1,6 +1,10 @@
 #!/bin/sh
 
 while str isvalue "$1"; do
-	xq '.feed.pig' <"$1"
-	shift
+	case "$1" in
+	*xml)
+		xq '.feed.pig' <"$1" ;;
+	*json)
+		jq '.feed.pig' <"$1" ;;
+	esac
 done

rss/pig_name

@@ -1,5 +1,4 @@
 #!/bin/sh
 
 printf "%s\n" "$1" \
-	| tr -cd '[:alnum:]' \
-	| xargs printf "%s.xml\n"
+	| tr -cd '[:alnum:]'

rss/pig_pen

@@ -1,6 +1,10 @@
 #!/bin/sh
+set -e
 
-str isvalue "$PIGPEN" \
+str isvalue "$1" \
+		&& printf "Usage: %s\n" "$0" 1>&2 \
+		&& exit 64 \
+|| str isvalue "$PIGPEN" \
 		&& printf "%s\n" "$PIGPEN" \
 		&& exit 0 \
 	|| str isvalue "$XDG_CONFIG_HOME" \

rss/pig_recall

@@ -1,14 +1,7 @@
 #!/bin/sh
 set -e
 
-filename="$(pig_pen)/$(pig_name $1)"
-loop=0
+filename="$(pig_pen)/$(pig_name "$1")"
 
-while streq $loop 0; do
-	loop=1
-	if test -e "$filename"; then
-		cat "$filename"
-	else
-		pig_stow "$1" && loop=0
-	fi
-done
+test -e "$filename" || pig_stow "$1"
+cat "$filename"