使用sed在+1千兆字节大单行文本文件中的每个>之后引入换行符

I have a giant text file (about 1,5 gigabyte) with xml data in it. All text in the file is on a single line, and attempting to open it in any text editor (even the ones mentioned in this thread: I have a giant text file (about 1,5 gigabyte) w