WIP Alert This is a work in progress. Current information is correct but more content will probably be added in the future.
check if a file exists
if(File.exist?("filename")) #do stuff end
file = File.open("path-to-file", "r")
open file relative path
path_to_file = File.expand_path("relative-path-to-file", File.dirname(__FILE__)) file = open(path_to_file, "r")
read a file's contents to a string
contents = File.open("path-to-file","r").read