Will scrape from your daily Workflowy summary emails the number of nodes created, changed or competed. For easy charting.

WorkFlowy.gs

function WorkflowyStats() {
  var emails = GmailApp.search('from:help@workflowy.com from:help@workflowy.com subject:your history');
  var body = emails[0].getMessages()[emails[0].getMessages().length-1].getPlainBody();
  
  bodysplit = body.split('------------------------------')[2].split(')')[0];
  
  // to match every string of digits, see better solution below
  // var values = bodysplit.match(/\d+/g);
  
  var regExpCompleted = new RegExp("\\d+(?= completed)", "g");
  var regExpCreated = new RegExp("\\d+(?= created)", "g");
  var regExpChanged = new RegExp("\\d+(?= changed)", "g");
  
  var value1 = regExpCompleted.exec(bodysplit);
  var value2 = regExpCreated.exec(bodysplit);
  var value3 = regExpChanged.exec(bodysplit);
    
  if (value1 == null){
    var completed = 0;
  } else {
    var completed = value1[0];
  }
  
  if (value2 == null){
    var created = 0;
  } else {
    var created = value2[0];
  }
  if (value3 == null){
    var changed = 0;
  } else {
    var changed = value3[0];
  }
  
  Logger.log(completed);
  Logger.log(created);
  Logger.log(changed);
  
  var sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName("Workflowy");
  // sheet.appendRow([new Date(), values[0],values[1],values[2]]);
  sheet.appendRow([new Date(), completed, created, changed]);
}