do not download empty folder files

[ondrejhlavacek]

[ondra@kbc-devel-03 ~]$ aws s3 ls s3://najlos-aws-s3-extractor-devel-s3filesbucket-13gdhf7nkzskk --recursive --region=eu-central-1 --profile s3debug
2018-05-02 14:00:44          0 compressed/
2018-05-02 14:00:57          0 compressed/folder/
2018-05-02 14:00:57        374 compressed/folder/sample.zip
2018-05-02 14:00:57          0 compressed/folder/subfolder/
2018-05-02 14:00:57        374 compressed/folder/subfolder/sample.zip
2018-05-02 14:00:57        374 compressed/sample.zip

eg. compressed* downloads empty file compressed and compressed/folder

[ondrejhlavacek]

invalid repo