method

collect_method

ruby latest stable - Class: FileUtils

collect_method(opt)

private

Returns an Array of method names which have the option opt.

p FileUtils.collect_method(:preserve) #=> ["cp", "cp_r", "copy", "install"]

# File lib/fileutils.rb, line 1551
  def self.collect_method(opt)
    OPT_TABLE.keys.select {|m| OPT_TABLE[m].include?(opt) }
  end