语法：

steam_file_read(filename);

返回： String（字符串）

描述

This function will read the contents of the given file into a string which can later be parsed in your game.

例如：

if steam_file_exists("Save.txt")
   {
   save_str = steam_file_read("Save.txt");
   }

The above code checks to see if a file exists on the Steam Cloud and if it does, it opens it and reads its contents into the variable "save_str".