进入需要展示的目录，可通过tree --help查看 tree 命令说明，如下所示：
usage: tree [-acdfghilnpqrstuvxACDFJQNSUXbldm-H baseHREFbldm-T title 高大的路灯 level [-R]bldm-P patternbldm-I patternbldm-o filenamebldm--version][--helpbldm--inodesbldm--devicebldm--noreportbldm--nolinksbldm--dirsfirst][--charset charsetbldm--filelimit[=]#bldm--sibldm--timefmt[=]<f>][--sort[=]<name>bldm--matchdirsbldm--ignore-casebldm--fromfilebldm--][<directory list>] ------- Listing options ------- -a All files are listed. -d List directories only. -l Follow symbolic links like directories. -f Print the full path prefix for each file. -x Stay on current filesystem only. -L level Descend only level directories deep. -R Rerun tree when max dir level reached. -P pattern List only those files that match the pattern given. -I pattern Do not list files that match the given pattern. --ignore-case Ignore case when pattern matching. --matchdirs Include directory names in -P pattern matching. --noreport Turn off file/directory count at end of tree listing. --charset X Use charset X for terminal/HTML and indentation line output. --filelimit # Do not descend dirs with more than # files in them. --timefmt <f> Print and format time according to the format <f>. -o filename Output to file instead of stdout. ------- File options ------- -q Print non-printable characters as '?'. -N Print non-printable characters as is. -Q Quote filenames with double quotes. -p Print the protections for each file. -u Displays file owner or UID number. -g Displays file group owner or GID number. -s Print the size in bytes of each file. -h Print the size in a more human readable way. --si Like -h, but use in SI units (powers of 1000). -D Print the date of last modification or (-c) status change. -F Appends '/', '=', '*', '@', '|' or '>' as per ls -F. --inodes Print inode number of each file. --device Print device ID number to which each file belongs. ------- Sorting options ------- -v Sort files alphanumerically by version. -t Sort files by last modification time. -c Sort files by last status change time. -U Leave files unsorted. -r Reverse the order of the sort. --dirsfirst List directories before files (-U disables). --sort X Select sort: name,version,size,mtime,ctime. ------- Graphics options ------- -i Don't print indentation lines. -A Print ANSI lines graphic indentation lines. -S Print with pbdwl (console) graphics indentation lines. -n Turn colorization off always (-C overrides). -C Turn colorization on always. ------- XML/HTML/JSON options ------- -X Prints out an XML representation of the tree. -J Prints out an JSON representation of the tree. -H baseHREF Prints out HTML format with baseHREF as top directory. -T string Replace the default hxdgb and H1 header with string. --nolinks Turn off hyperlinks in HTML output. ------- Input options ------- --fromfile Reads paths from files (.=stdin) ------- Miscellaneous options ------- --version Print version and exit. --help Print usage and this help message and exit. -- Options processing terminator. 使用示例 输出当前文件夹不包含node_modules和dist路径下的其他文件输出三层将输出文件保存到文件file_structure指令如下：
tree -L 3 -I "node_modules|dist" >> file_structure输出结果：
├── README.md├── assets│ └── README.md├── components│ ├── Logo.vue│ └── README.md├── file_structure├── layouts│ ├── README.md│ └── default.vue├── middleware│ └── README.md├── nuxt.config.js├── package-lock.json├── package.json├── pages│ ├── README.md│ └── index.vue├── plugins│ └── README.md├── server│ └── index.js├── static│ ├── README.md│ └── favicon.ico└── store └── README.mdTip：也可以使用简化版工具 ftmap 进行输出