How to list all files in an s3 folder using AWS-SDK gem in ruby on rails

Question

I wanted to show a list of all files in an s3 folder so I can get all the last modified dates so I can determine what files has been changed.

I tried using objects.w

Answer 1

Too late answer but better than never.

You can do

s3_bucket.objects.with_prefix('folder_name').collect(&:key)

According to official documentation here