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# 🚨 mdlinkt
A CLI tool for detecting dead or inaccessible links in markdown files.
Practical CLI tool for detecting dead or inaccessible links in markdown files.
## Usage
To check a markdown file for dead or inaccessible links
```console
mdlinkt -file your-file.md
```bash
$ mdlinkt -file your-file.md
<some output here>
```
This will return each tested link and a summary message in an example markdown file containing 1 valid and 1 invalid file.
This will return each tested link and a summary message in an example markdown
file containing 1 valid and 1 invalid file. For example, for a `test.md`
containing `https://probablynotvalid.com`:
```console
mdlinkt -file test.md
```bash
$ mdlinkt -file test.md
2023/12/12 12:00:00 ERROR Invalid link: https://probablynotvalid.com
2023/12/12 12:00:00 INFO Summary: 1 valid links, 1 invalid links
```
Should you want more details on the links that are scanned, you may pass the `-verbose` flag.
Should you want more details on the links that are scanned, you may pass the
`-verbose` flag.
```console
```bash
2023/12/12 12:00:00 INFO https://github.com: 200
2023/12/12 12:00:00 ERROR Invalid link: https://probablynotvalid.com
2023/12/12 12:00:00 INFO Summary: 1 valid links, 1 invalid links
```
In case of invalid links, the program will exit with exit code 1, making it perfect for usage in
GitHub actions or other pipelines.
> [!TIP]
> In case of invalid links, the program will exit with exit `code 1`, making it
> perfect for usage in GitHub actions or other pipelines.
### Performance
For a file containing **10,000 invalid links**, the **Hyperfine** benchmark is as follows.
For a file containing **10,000 invalid links**, the **Hyperfine** benchmark is
as follows.
<!-- markdownlint-disable line-length -->
| Command | Mean [ms] | Min [ms] | Max [ms] | Relative |
| :-------------------------------- | -----------: | -------: | -------: | -------: |
| `mdlinkt -verbose -file links.md` | 822.2 ± 22.6 | 787.4 | 959.8 | 1.00 |
The test has been conducted on a **Ryzen 5 3600X**, at a **95 ± 5 MB/s** bandwitdh speed.
<!-- markdownlint-enable line-length -->
The test has been conducted on a **Ryzen 5 3600X**, at a **95 ± 5 MB/s**
bandwitdh speed.
## Hacking
A nix flake is provided. Use `direnv allow` or `nix develop` to enter the development shell.
A nix flake is provided. Use `direnv allow` or `nix develop` to enter the
development shell.
### Contributing
@ -49,4 +61,4 @@ PRs are always welcome.
## License
**mdlinkt** is licensed under the GPLv3. See [LICENSE](LICENSE) for more details.
Available under the GPLv3. See [LICENSE](LICENSE) for more details.