How to read a text file reversely with iterator in C#

Question

I need to process a large file, around 400K lines and 200 M. But sometimes I have to process from bottom up. How can I use iterator (yield return) here? Basically I don\'t l

Answer 1

You can read the file one character at a time backwards and cache all characters until you reach a carriage return and/or line feed.

You then reverse the collected string and yeld it as a line.