fu_get_uid

# File lib/fileutils.rb, line 1011
  def fu_get_uid(user)   #:nodoc:
    return nil unless user
    case user
    when Integer
      user
    when /\A\d+\z/
      user.to_i
    else
      Etc.getpwnam(user) ? Etc.getpwnam(user).uid : nil
    end
  end