class String

stackoverflow.com/questions/5622435/how-do-i-convert-a-ruby-class-name-to-a-underscore-delimited-symbol

Public Instance Methods

underscore() click to toggle source
# File lib/fluent/plugin/kubernetes_metadata_util.rb, line 44
def underscore
  word = self.dup
  word.gsub!(/::/, '_')
  word.gsub!(/([A-Z]+)([A-Z][a-z])/,'\1_\2')
  word.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
  word.tr!("-", "_")
  word.downcase!
  word
end