edit this spider so it saves file in a text file and that it can be givne multiple input urls in text file

edit this spider so it saves file in a text file and that it can be givne multiple input urls in text file. make it so can enter 1 or multiple urls for the app so it spdiers 1 or multiple urls . edit/fix it so it makes 1 csv file per domain it has spidered with : url title metatag (same format as it already has ) but currently app crashes and also wants me to create teh txt file first efen though it doesnt allow me to creatre teh text file.