FFMPEG WAV to FLAC Batch Formula [Ubuntu]

wavtoflac.sh

#!/bin/bash

#This script creates a new folder named "processed" in the working directory, 
#then finds every file with .WAV extension and convert it to FLAC (Free Lossless Audio Codec).
#It also copy the metadata informations associated with the input (where they exists) to the output.

mkdir processed
for i in *.wav 
do ffmpeg -i "$i" -nostdin -map_metadata:s:a 0:s:a -c:a flac "./processed/${i%.*}.flac" 
done