> For the complete documentation index, see [llms.txt](https://nodebook.js.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nodebook.js.org/text/plain.md).

# PlainNotebook

"PlainNotebook" is used for managing files **without** file extensions (such as `.env`, `.gitignore`, etc.)

{% hint style="danger" %}
We are **not** liable for anything you edit or manage maliciously. Be careful when editing certain files such as `.env`. 
{% endhint %}

## Usage

### Setup

```javascript
const Nodebook = require('nodejs-notebook');

const gitignore = new Nodebook.PlainNotebook('.gitignore');
```

{% hint style="info" %}
A lot of these methods are simiar to [Nodebook](/default-classes/default.md), even though it is not extended by it.
{% endhint %}

**fileName(options)**

object `options`:

* `options.lower` - Whether or not the name should be turned to lower case.

**Return**: The file name.

```javascript
gitignore.fileName({ lower: false });
// returns ".gitignore"
```

**resetFile()**

Resets the file.

```javascript
gitignore.resetFile();
// resets .gitignore
```

**deleteFile(delay)**

Deletes the file

number `delay`: Sets how many **seconds** before deleting the file.

```javascript
gitignore.deleteFile();
// Deletes the file instantly

gitignore.deleteFile(10);
// Deletes the file in 10 seconds
```

**fetchLine(line)**

Fetches an existing line's content.

number `line`: The line number to get the information from.

```javascript
gitignore.fetchLine(3);
// fetches the third line

gitignore.fetchLine(10);
// fetches the tenth line
```

**Return**: The line content.

**deleteLine(line)**

Sets an existing line in the file to empty.

number `line`: The line number to make empty.

```javascript
gitignore.deleteLine(15);
// sets the fifteenth line empty
```

**editLine(line, key)**

Replaces an existing line with a new string.

number `line`: The line number to set it to.

string `key`: The string that will replace the line.

```javascript
gitignore.editLine(1, 'node_modules/');
// sets the first line to 'node_modules/'
```

**addLine(key)**

Adds a string at the next available line in the file.

string `key`: The string to add at the next available line.

```javascript
gitignore.addLine('package-lock.json');
// adds 'Yippi Ki Yay!' to the next line
```

**content()**

Returns the file's content into a string.

```javascript
console.log(gitignore.content());
// should log the file's content
```