040000 tree 3a912e35c1e5c0712d6245aaa7a145c6b1bcfffe	awk
040000 tree 3f8f9e7764e6526606e13c42e485a39de7b30f39	core
040000 tree 24baf8d7bd4002b0d0c152740c4c7db22214a518	gmsl
040000 tree 3162cfc1267484f405aadb23f67fe3994c8e861c	tools