Days in list report

gistfile1.txt

function daysInListReport(params,signature,original_time)
{
  var out = [];
  
  new Board(params)
  .lists()
  .each(function(list)
  {
    var listout = [];
    
    list
    .cards()
    .each(function(card)
    {
      var diffdays = Math.round((Trellinator.now() - card.movedToList())/(1000*60*60*24));
      listout[] = "["+card.name()+"]("+card.link()+") - Days in list: "+diffdays;
      Utilities.sleep(1000);
    });
    
    out[] = listout.join("\n\n");
  });
  
  MailApp.send("user@example.org","Your report",out.join("\n\n"));
  ExecutionQueuel.push("daysInListReport",params,signature,original_time.addDays(1));
}