#!/bin/bash

# This file is public domain in the USA and all free countries.
# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)

echo "Send me the audio files that you whish to modify (up to 1.5 gigabytes thanks to @pwrtelegram)"
read url
url=$(echo "$url" | sed 's/^\s*//g;s/\s*$//g')
name="$RANDOM"$(basename "$url")
wget "$url" -qO "$name" || { echo "Couldn't download file."; rm "$NAME"; exit 1; }
help=$(id3v2 --help 2>&1)
echo "Now send me the following tags (send null to ignore tag)"
for f in artist album song comment genre year track;do
	echo "$help" | sed '/\-\-'$f'/!d;s/.*\-\-'$f'//g'
	case "$f" in
		"comment") echo "Set the comment information (both description and language optional)";;
		"genre") id3v2 -L | tr -s '\n' ", " | tr -d '&';echo;;
	esac
	read "read"
	[ "$read" != "null" ] && id3v2 --$f "$read" "$name"
done
echo "myfilelocationstartshere $name"
exit