tree command by Go
go get github.com/sh0e1/gotree
go install $GOPATH/src/github.com/sh0e1/gotree/cmd/gotree
gotree -h
Usage of gotree:
-L int
Descend only level directories deep. (default -1)
-a All files are listed.
gotree
.
├── LICENSE
├── Makefile
├── README.md
├── cmd
│ └── gotree
│ └── main.go
├── go.mod
├── testdata
│ ├── file
│ └── sub1
│ ├── file
│ └── sub2
│ └── file
└── tree.go