040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 6c6fa3aebce3e512236bf8c0d46dd73e1e1e8403	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 7a792defbb7804af52426309288de983557399b5	tools