# LineInFile

`Maestro\Core\Task\LineInFileTask`

Manage a line in a file

## Parameters
- **path** Workspace path to file to replace a line in - `string`
- **regexp** Optional regular expression to match - `string`
- **line** Line which should replace the matched line - `string`
- **append** Append line to the end of the file if it does not exist or if the regexp is not found - `bool`

## Description
Replace or append a line to a file. For example:
- Replace the Travis badge with the Github actions badge:
- Manage a `.gitignore` file
```php
new LineInFileTask(
    group: 'my-repository',
    path: 'README.md',
    regexp: '{Build Status.*travis}',
    line: sprintf('![CI](https://github.com/phpactor/%s/workflows/CI/badge.svg)', 'my-repository'),
);
```