#!/bin/sh

usage()
{
	echo "Usage: $0 <file.ape>"
	echo "Usage: $0 <directory>"
	exit 1
}

process_file()
{
	[ "{$1%.ape}" != "$1" ] || usage
	local PCMFILE="${1/%.ape/.wav}"
	local FLACFILE="${1/%.ape/.flac}"

	if mac "$1" "$PCMFILE" -d; then
		if flac --output-name="$FLACFILE" "$PCMFILE"; then
			rm -f "$PCMFILE"
		fi
		rm -f "$1"
	fi
}

process_directory()
{
	local f
	for f in "$1"/*.ape; do
		echo "$f"
		process_file "$f"
	done
}

[ $# -eq 1 ] || usage
[ -f "$1" ] && process_file "$1"
[ -d "$1" ] && process_directory "$1"