Move files to category subdirs, and add shuffle script

PKGBUILD

@@ -1,6 +1,6 @@
 # Maintainer: David Thurstenson <thurstylark@gmail.com>
 pkgname=tl-wallpaper
-pkgver=r15.b6ed6fc
+pkgver=r16.7ec3d15
 pkgrel=1
 pkgdesc="Thurstylark's collection of wallpapers"
 arch=(any)
@@ -18,6 +18,11 @@ pkgver() {
 package() {
 	cd ${srcdir}/${pkgname}
 	install -d "${pkgdir}/usr/share/backgrounds/thurstylark/"
-	install -m644 *.jpg "${pkgdir}/usr/share/backgrounds/thurstylark/"
+
-	install -m644 *.png "${pkgdir}/usr/share/backgrounds/thurstylark/"
+	install -m755 "tl-wallpaper-shuf.bash" "${pkgdir}/usr/share/backgrounds/thurstylark/"
+
+	for i in $(find . -type f \( -iname \*.jpg -o -iname \*.png \) -printf '%f ' ); do
+		install -d "${pkgdir}/usr/share/backgrounds/thurstylark/${i%%-*}"
+		install -m644 "$i" "${pkgdir}/usr/share/backgrounds/thurstylark/${i%%-*}/"
+	done
 }

tl-wallpaper-shuf.bash

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+# Start in the script's pwd
+#  (ideally something like /usr/share/wallpapers/thurstylark/)
+wallp_dir=$(dirname "$0")
+
+# Get one subdir from $wallp_dir
+wallp_subdir=$(find "$wallp_dir" -type d | shuf -n 1)
+
+# Get one file from $wallp_subdir
+find $walp_subdir -type f \( -iname \*.jpg -o -iname \*.png \) | shuf -n 1