How to delete a File in Google Drive?

Question

How do I write a Google Apps Script that deletes files?

This finds files:

var ExistingFiles = DocsList.find(fileName);

But Do

Answer 1

Now you may use the following if the file is as a spreadsheet, doc etc.:

 DriveApp.getFileById(spreadsheet.getId()).setTrashed(true);

or if you already have the file instead of a spreadsheet, doc etc. you may use:

file.setTrashed(true);