Generate List of all Files in a Google Drive Folder

This is like running the ls Linux command for listing all the files and their details in a particular Google Drive folder. You an even make a tree of files.

Call the listFiles method with the Drive folder name and it will create a list of all files and appends them to a spreadsheet. The direct download links are particularly handy for downloads PDFs and other non Google Docs documents.

Updated to use DriveApp instead of the deprecated DocsList service.