What does the “$” character mean in Ruby?

Question

Been playing with Ruby on Rails for awhile and decided to take a look through the actual source. Grabbed the repo from GitHub and started looking around. Came across some co

Answer 1

$:.unshift

is the same as

$LOAD_PATH.unshift

. You can also say:

$: <<
$LOAD_PATH <<

They are pretty common Ruby idioms to set a load path.