Usando o cli da AWS:
aws s3 ls s3://bucket/pasta/ | awk {'print "aws s3 rm s3://bucket/pasta/" $2 " --recursive --exclude \"*\" --include \"chamada*.mp3\" --include \"nome*.mp3\""'} | bash
- aws s3 ls s3://bucket/pasta/ lista as subpastas
- awk {'print "aws s3 rm s3://bucket/pasta/" $2 " --recursive --exclude "" --include "chamada.mp3" --include "nome*.mp3""'} monta o comando