# CrashTwin Dataset

This repository provides the CrashTwin dataset released as a single `tar`
archive split into multiple `.zst` parts for large-scale distribution.

## File Structure

```
crashtwin_data.tar.part_000.zst
...
crashtwin_data.tar.part_045.zst
```

## Download

```bash
git lfs install
git clone https://huggingface.co/datasets/nnuochen/crashtwin_data
cd crashtwin_data
git lfs pull
```

## Restore Dataset

The following command reconstructs the dataset directory:

```bash
mkdir -p crashtwin_data
cat crashtwin_data.tar.part_*.zst | zstd -dc -T0 | tar -xvf - -C crashtwin_data
```

After extraction, the dataset is available under:

```
crashtwin_data/
```

## Requirements

- `git-lfs`
- `zstd`
- `tar`
- Sufficient disk space (～500 GB)