Added a helper bash script for radio.

tools/radioctl

@@ -0,0 +1,44 @@
+#!/usr/bin/sh
+
+radio_dir=/srv/radio
+out=$radio_dir/filelist.html
+
+case $1 in
+    f | filelist)
+        if [[ -n "$2" ]]; then
+            out=$2
+        fi
+        tree -H '' -T "Arav's dwelling / Radio / List" \
+            -P '*.ogg' --charset=utf-8 --prune --du -hnl \
+            --nolinks -o $out $radio_dir/music
+        break
+        ;;
+    p | playlist)
+        find -L $radio_dir/music/* -type f -iname '*.ogg' |
+            cut -c 18- | sort -d > $radio_dir/playlists/all
+        break
+        ;;
+    s | shuffle)
+        shuf $radio_dir/playlists/all > $radio_dir/playlists/all-rand
+        break
+        ;;
+    c | convert)
+        for file in "$2"/*; do
+            if [[ "$file" == *.ogg ]]; then
+                continue;
+            fi
+            ffmpeg -hide_banner -i "$file" -y -vn -c:a libvorbis -b:a 128k "${file%.*}.ogg";
+            if [ $? -eq 0 ] && [ $2 = "del" ]; then
+                rm "$file";
+            fi
+        done
+        break
+        ;;
+    *)
+        echo "f|ilelist - to generate a filelist.html"
+        echo "p|laylist - to generate a playlist 'all'"
+        echo "s|huffle - to shuffle a playlist and store as all-rand"
+        echo "c|onvert DIR - convert all files in DIR to ogg"
+        exit
+        ;;
+esac