[zsh] add wallpaper switcher function

home/.zshrc.local

@@ -117,6 +117,25 @@ function timer() {
     )
 }
 
+## Wallpaper switcher
+function wp() {
+    (
+        if [ -z "$1" ] || ([ "$1" = "rand" ] && [ -z "$2" ]); then
+            echo "USAGE: $0 rand|default [path]"
+            return 1
+        fi
+        if [ "$1" = "default" ];then
+            echo "d"
+            feh --bg-fill /usr/share/wallpapers/wallpaper.jpg
+        fi
+        if [ "$1" = "rand" ]; then
+            base="$HOME/Bilder/wallpaper"
+            rand=$(shuf -n1 -e $base/$2/*)
+            [ -z "$rand" ] || feh --bg-fill "$rand"
+        fi
+    )
+}
+
 # Program aliases/env
 
 ## Aliases for programs