tree 명령어 설치

폴더를 tree 구조로 보기 위한 명령어. 기본적으로 설치가 되어있지 않으므로 homebrew를 이용하여 별도로 설치를 해주어야 한다.

$ brew install tree

설치 후에 tree -help 를 치면 자세한 사용법을 확인할 수 있다.

$ tree --help
usage: tree [-acdfghilnpqrstuvxACDFJQNSUX] [-H baseHREF] [-T title ]
	[-L level [-R]] [-P pattern] [-I pattern] [-o filename] [--version]
	[--help] [--inodes] [--device] [--noreport] [--nolinks] [--dirsfirst]
	[--charset charset] [--filelimit[=]#] [--si] [--timefmt[=]<f>]
	[--sort[=]<name>] [--matchdirs] [--ignore-case] [--] [<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 CP437 (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 HTML title and H1 header with string.
  --nolinks     Turn off hyperlinks in HTML output.
  ---- Miscellaneous options ----
  --version     Print version and exit.
  --help        Print usage and this help message and exit.
  --            Options processing terminator.

아래는 해당 명령어를 수행해서 GitHub 블로그 생성을 위해 생성한 디렉토리의 구조를 확인해본 결과

$ tree
├── Gemfile
├── Gemfile.lock
├── _config.yml
├── _posts
│   └── 2017-03-18-welcome-to-jekyll.markdown
├── _site
│   ├── about
│   │   └── index.html
│   ├── assets
│   │   └── main.css
│   ├── feed.xml
│   ├── index.html
│   └── jekyll
│       └── update
│           └── 2017
│               └── 03
│                   └── 18
│                       └── welcome-to-jekyll.html

9 directories, 11 files


특정 depth 까지만 출력

$ tree -L 1
├── build
├── config
├── index.html
├── node_modules
├── package.json
├── src
├── static
├── test
└── yarn.lock

6 directories, 4 files

depth와 directory 만 출력

$ tree -L 1 -d
├── build
├── config
├── node_modules
├── src
├── static
└── test

6 directories

특정 디렉토리를 제외하고 출력

$ tree -L 1 -I "node_modules"
├── build
├── config
├── index.html
├── package.json
├── src
├── static
├── test
└── yarn.lock

5 directories, 4 files

(갠적으로 이 명령어 너무 맘에 든다…폴더 구조를 너무도 명확하게 확인할 수 있어서랄까…왜 이제껏 이 명령어를 몰랐던건가..싶기도 하다…)