SyncTranslations.cs

using System.IO;
using UnityEditor;
using UnityEngine;

public class SyncTranslations
{
	private static string _destFile = "Assets/Resources/Translations.txt";
	private static string _url =
			"https://docs.google.com/spreadsheets/d/xxxx/export?format=tsv&id=xxxx&gid=0";
	
	private WWW www;
	
	[MenuItem("Window/SyncTranslations")]
	public static void DownloadTranslations()
	{
		var syncer = new SyncTranslations();
	}


	public SyncTranslations()
	{
		www = new WWW(_url);
		EditorApplication.update += EditorUpdate;
	}

	void EditorUpdate()
	{
		if (www.isDone)
		{
			Debug.Log("Sync done");
			File.WriteAllText(_destFile, www.text);
			www.Dispose();
			www = null;
			EditorApplication.update -= EditorUpdate;
		}
	}
}