# File lib/rubygems/installer.rb, line 435 def check_that_user_bin_dir_is_in_path user_bin_dir = @bin_dir || Gem.bindir(gem_home) user_bin_dir.gsub!(File::SEPARATOR, File::ALT_SEPARATOR) if File::ALT_SEPARATOR unless ENV['PATH'].split(File::PATH_SEPARATOR).include? user_bin_dir then unless self.class.path_warning then alert_warning "You don't have #{user_bin_dir} in your PATH,\n\t gem executables will not run." self.class.path_warning = true end end end