Open the current selection in Dash

gistfile1.js

var langs = {
  JavaScript: "js:",
  Python: "py:",
  'Node.js': "node:"
}

komodo.assertMacroVersion(3);
if (komodo.view) { komodo.view.setFocus(); }
var thislang = ko.views.manager.currentView.koDoc.language
var selection = ko.views.manager.currentView.scimoz.selText

var runSvc = Components.classes["@activestate.com/koRunService;1"].
                createInstance(Components.interfaces.koIRunService);

var command = "/usr/bin/open dash://"+ langs[thislang] + selection ;
var process = runSvc.RunAndNotify(command /* command */,
                                  '/tmp'  /* cwd */,
                                  "" /* environment settings */,
                                  "" /* stdin input */);
var retval = process.wait(-1); /* wait till the process is done */