The Case Against Character Count Line Limits
I recently had a discussion with a colleague about whether we should introduce a character count limit per line into our style guide. He believes it enhances readability, while I argue that readability should be facilitated by the editor or IDE, not ...
blog.lohr.dev8 min read
I'll give you one reason for line length limits... being able to intercept potentially dangerous/viral code injection.
If you limit your line length to something most devs can view (120-150 chars), then the risk of someone injecting viral code into a project outside what is visible on a line is significantly reduced.
I'm not hard pressed on line lengths of 80 characters or so, I just feel that you should have a relatively reasonable limit so you can better detect the bad stuff.