Add files via upload

to_opus.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+shopt -q globstar; globstar_set=$?
+((globstar_set)) && shopt -s globstar
+shopt -q extglob; extglob_set=$?
+((extglob_set)) && shopt -s extglob
+# Note, 0 (true) from shopt -q is "false" in a math context.
+
+FORMATS=$@
+
+for file in **/*.@(${FORMATS// /|}); do
+	ffmpeg -threads 4 -i "$file" -c:a libopus -b:a 128k "${file%.*}.opus" && rm "$file"
+done
+
+((globstar_set)) && shopt -u globstar
+((extglob_set)) && shopt -u extglob
+
+exit 0