Exmaple usage: << copy test.txt test/test.txt >> ./fsexec {uuid} WyJjb3B5IiwidGVzdC50eHQiLCJmb2xkZXIvdGVzdC50eHQiXQ== << copy_folder test/ target/test/ >> ./fsexec {uuid} WyJjb3B5X2ZvbGRlciIsInRlc3QvIiwidGFyZ2V0L3Rlc3QvIl0=
