new script for easier transcoding

scripts/transcode_flac.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# evaluate options through given arguments
+file_suffix='wav'
+map=
+while [[ $# > 0 ]]; do
+   case $1 in
+      -t | --type) file_suffix=$2; shift 2;;
+      -map       ) map='-map 0:0'; shift;;
+      *          )                 break ;; # Anything else stops command line processing.
+   esac
+done
+
+# ensure existence of destination folder
+dir="$(pwd)"
+dest=${dir%/*}/${dir##*/}_flac
+if [[ !(-d $dest) ]]; then
+   mkdir "$dest"
+fi
+
+for file in ./*.$file_suffix; do
+   echo "ffmpeg -i '$file' -c:a flac $map '$dest/${file%$file_suffix}flac'";
+   ffmpeg -i "$file" -c:a flac $map "$dest/${file%$file_suffix}flac";
+done