find_browser (Raggle::Path)

    # File raggle, line 611
        def Path::find_browser
          ret = ENV['RAGGLE_BROWSER']
          ret ||= ENV['BROWSER']
          ret ||= BROWSERS.find { |app| find_app(app) }

          # die if we couldn't find a browser
          unless ret
            $stderr.puts "WARNING: Couldn't find suitable browser, opening external links.",
              "WARNING: has been disabled.  Please set $RAGGLE_BROWSER, $BROWSER, or install",
              "WARNING: one of the following browsers: ELinks, Links, Lynx. or W3M."
            $stdin.gets
          end

          # return browser
          ret
        end