#!/bin/bash

if [ "$#" -eq 0 ]
then
	echo "Usage: $0 flacfile [flacfile [flacfile ...]]" >&2
	exit 1
fi

while [ "$#" -ge 1 ];
do
	samplerate="$(metaflac --show-sample-rate "$1")"
	bitdepth="$(metaflac --show-bps "$1")"
	if ! [ "$samplerate" = 44100 -o "$samplerate" = 4800 -a $bitdepth = 16 ]
	then
		tfile="$(mktemp --tmpdir --suffix=.flac)"
		sox "$1" -r 44100 -b 16 "$tfile"
		mv -v "$tfile" "$1"
	fi
	shift
done