ltree-cli 0.2.0

A customizable tree-like directory viewer with filtering, depth control, and statistics

ltree

ltree is a fast, customizable CLI tool to visualize directory structures in a tree diagram. It features beautiful Rich UI rendering, Nerd Font/Emoji icon support, detailed statistics, and multiple export formats.

>>> ltree .
📂 ltree/
├── ⚖️ LICENSE
├── 📂 ltree/
│   ├── 🐍 __init__.py
│   ├── 🐍 cli.py
│   ├── 🐍 constants.py
│   ├── 📂 core/
│   │   ├── 🐍 __init__.py
│   │   ├── 🐍 config.py
│   │   ├── 🐍 models.py
│   │   ├── 🐍 scanner.py
│   │   └── 🐍 utils.py
│   ├── 📂 renderers/
│   │   ├── 🐍 __init__.py
│   │   ├── 🐍 base.py
│   │   ├── 🐍 exporters.py
│   │   └── 🐍 rich_renderer.py
│   └── 📂 themes/
│       ├── 🐍 __init__.py
│       ├── 🐍 emoji.py
│       ├── 🐍 icons.py
│       └── 🐍 nerd.py
├── 📂 ltree-vscode/
│   ├── 📝 CHANGELOG.md
│   ├── 📄 eslint.config.mjs
│   ├── ⚙️ package-lock.json
│   ├── ⚙️ package.json
│   ├── 📖 README.md
│   ├── 📦 src/
│   │   └── 🟦 extension.ts
│   └── ⚙️ tsconfig.json
├── ⚙️ pyproject.toml
├── 📖 README.md
├── 🧪 tests/
│   ├── 🐍 __init__.py
│   ├── 🐍 test_cli.py
│   ├── 🐍 test_config.py
│   ├── 🐍 test_core.py
│   ├── 🐍 test_exporters.py
│   ├── 🐍 test_icons.py
│   ├── 🐍 test_rich_renderer.py
│   └── 🐍 test_utils.py
└── 🔒 uv.lock

Summary:
Visible:   7 directories,  35 files
Total  :   7 directories,  35 files

---

Installation

For local development or usage:

# Clone the repository
git clone https://github.com/YuHao-Yeh/ltree.git
cd ltree

# Install in editable mode (using uv)
uv pip install -e .

# Or using standard pip
pip install -e .

---

VS Code Extension

ltree now comes with an official VS Code companion!

• Quick Action: Right-click any file or folder in the Explorer to generate a tree.
• Multiple Formats: Copy as Text, JSON, or Markdown Blocks (perfect for AI prompts).
• Customizable: Pass any CLI arguments directly from VS Code.

To use it, check the ltree-vscode directory for installation instructions.

---

Usage

ltree [path] [options]

Basic Commands

# Display current directory structure
ltree

# Output to console with color
ltree . -o - --color

# Save tree to a file
ltree /path/to/dir -o tree.txt

# For more help
ltree --help

Quick Examples

Click to expand examples

• Export to JSON: ltree -F json -o data.json
• Markdown List: ltree -F md -o report.md
• Markdown Block: ltree -F block -o report.md
• Limit Depth: ltree -L 2 --show-ellipsis
• Filter by Extension: ltree --ex-ext .log --ex-ext .tmp
• Filter by Regex: ltree --re-ex "test_.*\.py"
• Only Directories: ltree -d --dirs-first
• Show Sizes: ltree -s -H
• Nerd Fonts and Rich UI: ltree . -F rich --theme nerd

---

Options

Run ltree --help to see the full list of available options.

View Full Parameter List

Basic Options

Argument	Short	Default	Description
start_path		.	Starting directory path.
--output	-o	-	Output file name. Use - for stdout.

Output Formatting & Display

Argument	Short	Default	Description
--format	-F	text	Choices: text, json, md, markdown, block, rich.
--theme		emoji	Icon theme to use. Choices: emoji, nerd, none.
--color	-c		Enable colored output.
--size	-s		Show file/directory sizes.
--human	-H		Show size in human-readable format (e.g., 1K, 2M).

Filtering Rules

Argument	Short	Description
--all	-a	Show hidden files and directories (starting with .).
--dirs-only	-d	Only display directories.
--ex-dirs		Exclude specific directories.
--ex-files	-I	Exclude files (supports wildcards like *.log).
--ex-ext		Exclude by file extension (e.g., .log).
--ex-prefix		Exclude items by prefix.
--re-ex		Exclude paths matching a regular expression.
--no-ignore		Disable automatic exclusion based on .gitignore (enabled by default).
--add-dirs		Re-include specific directories previously excluded.
--add-files		Re-include specific files previously excluded.

Display Options

Argument	Short	Description
--max-depth	-L	Limit directory recursion depth.
--full-path	-f	Print the full path prefix for every entry.
--dirs-first		List directories before files.
--show-ellipsis		Show "..." when depth is truncated.

---

Configuration

You can save your favorite settings in a config file so you don't have to type them every time. ltree will automatically search for these files in your project directory (or climb up to find them):

• .ltreerc (JSON)
• pyproject.toml (under [tool.ltree])

Configuration Priority

Settings are merged and overridden in the following order (from highest to lowest priority):

1. Command Line Arguments
2. Local Configuration File (.ltreerc or pyproject.toml)
3. Default Settings

Examples

.ltreerc (JSON)

Create a .ltreerc file in your project root:

{
  "theme": "nerd",
  "size": true,
  "human": true,
  "dirs_first": true,
  "ex_dirs": ["dist", "build", "target"],
  "ex_ext": [".log", ".tmp"]
}

pyproject.toml (TOML)

Create a pyproject.toml file in your project root:

[tool.ltree]
theme = "emoji"
full_path = true
color = true
size = true
add_dirs = ["output", "temp"]

Supported Configuration Keys

All command-line flags can be configured in your settings file:

• Booleans & Strings:
  • theme: "emoji", "nerd", or "none"
  • color, size, human, all (show hidden files), dirs_only, full_path, dirs_first, show_ellipsis, no_ignore
• Filter Rules:
  • ex_dirs, ex_files, ex_ext, ex_prefix, add_dirs, add_files

---

Output Examples

Standard Text

ltree/
├── ltree/
│   ├── core.py
│   └── exporters.py
├── tests/
└── README.md

Summary:
Visible:   2 directories,   3 files
Total  :   2 directories,   3 files

Rich UI & Nerd Fonts (-F rich --theme nerd)

 ltree/
├──  ltree/
│   ├──  core.py
│   └──  exporters.py
├──  tests/
└──  README.md

Markdown Mode (-F md)

• 📂 ltree/
  • 🐍 core.py
  • 🐍 exporters.py
• 📂 tests/
• 📖 README.md

---

License

Distributed under the MIT License. See LICENSE for more information.