Ubuntu/Linux 树形结构显示文件夹目录结构 - list contents of directories in a tree-like format - tree

秒速五厘米 2022-12-05 15:13 121阅读 0赞

#  Ubuntu/Linux 树形结构显示文件夹目录结构 - list contents of directories in a tree-like format - tree #

`tree` \- list contents of directories in a tree-like format.

## 1. Installation ##

(base) yongqiang@yongqiang:~$ tree
    
    Command 'tree' not found, but can be installed with:
    
    sudo apt install tree
    
    (base) yongqiang@yongqiang:~$
    (base) yongqiang@yongqiang:~$ sudo apt install tree
    [sudo] password for yongqiang:
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    The following NEW packages will be installed:
      tree
    0 upgraded, 1 newly installed, 0 to remove and 58 not upgraded.
    Need to get 40.7 kB of archives.
    After this operation, 105 kB of additional disk space will be used.
    Get:1 http://archive.ubuntu.com/ubuntu bionic/universe amd64 tree amd64 1.7.0-5 [40.7 kB]
    Fetched 40.7 kB in 2s (19.3 kB/s)
    Selecting previously unselected package tree.
    (Reading database ... 35027 files and directories currently installed.)
    Preparing to unpack .../tree_1.7.0-5_amd64.deb ...
    Unpacking tree (1.7.0-5) ...
    Setting up tree (1.7.0-5) ...
    Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
    (base) yongqiang@yongqiang:~$

## 2. 树形结构显示文件夹目录结构 ##

### 2.1 `tree` ###

显示当前目录的树形结构。

(base) yongqiang@yongqiang:~/CLionProjects/yongqiang$ tree
    .
    ├── CMakeLists.txt
    ├── cmake-build-debug
    ├── include
    │   └── batch_norm.h
    ├── main.cpp
    └── source
        └── batch_norm.cpp
    
    3 directories, 4 files
    (base) yongqiang@yongqiang:~/CLionProjects/yongqiang$

### 2.2 `-L level` ###

Max display depth of the directory tree. - 目录树的最大显示深度。  
`tree -L N` \- 查看当前第 `N` 级的目录和文件

`tree -L 1` \- 查看当前第一级的目录和文件

(base) yongqiang@yongqiang:~/CLionProjects/yongqiang$ tree -L 1
    .
    ├── CMakeLists.txt
    ├── cmake-build-debug
    ├── include
    ├── main.cpp
    └── source
    
    3 directories, 2 files
    (base) yongqiang@yongqiang:~/CLionProjects/yongqiang$

`tree -L 2` \- 查看当前第二级的目录和文件

(base) yongqiang@yongqiang:~/CLionProjects/yongqiang$ tree -L 2
    .
    ├── CMakeLists.txt
    ├── cmake-build-debug
    ├── include
    │   └── batch_norm.h
    ├── main.cpp
    └── source
        └── batch_norm.cpp
    
    3 directories, 4 files
    (base) yongqiang@yongqiang:~/CLionProjects/yongqiang$

### 2.3 `tree > /home/yongqiang/CLionProjects/yongqiang/tree.txt` ###

目录结构信息保存到文本中。

(base) yongqiang@yongqiang:~/CLionProjects/yongqiang$ pwd
    /home/yongqiang/CLionProjects/yongqiang
    (base) yongqiang@yongqiang:~/CLionProjects/yongqiang$ tree > /home/yongqiang/CLionProjects/yongqiang/tree.txt
    (base) yongqiang@yongqiang:~/CLionProjects/yongqiang$ cat tree.txt
    .
    ├── CMakeLists.txt
    ├── cmake-build-debug
    ├── include
    │   └── batch_norm.h
    ├── main.cpp
    ├── source
    │   └── batch_norm.cpp
    └── tree.txt
    
    3 directories, 5 files
    (base) yongqiang@yongqiang:~/CLionProjects/yongqiang$