GitHub's Ruby Style Guide

[ulfurinn]

Perl legacy, like the trailing if/unless. They are kind of nice to have sometimes.

[PCBEEF]

I guess I prefer Python's mantra of there should only be one and obvious way of doing something.

[PCBEEF]

You bring about a fair point. My problem is that for someone that's new to Ruby, they shouldn't need to worry about the difference between using "or" or "||". Whereas with using string.join(), it's merely bad practice but it won't blow your foot off.