如何在没有完整路径的情况下使用批处理程序编辑文件？

I am trying to write a batch program to rewrite the realmlist.wtf for World of Warcraft and put in the correct realms. I ran into the problem after finishing it that some people had different directories than me(Ex:I had C:\Program Files (x86)\World of Warcraft\Data\enUS while others had F:\WoW.5.5a\data\enUS) I want to find a way to replace this no matter the path before data\enUS. Help?I am trying to write a batch program to rewrite