> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cowagent.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# edit - File Edit

> Edit files via precise text replacement

Edit files via precise text replacement. If `oldText` is empty, appends to the end of the file.

## Dependencies

No extra dependencies, available by default.

## Parameters

| Parameter | Type   | Required | Description                                |
| --------- | ------ | -------- | ------------------------------------------ |
| `path`    | string | Yes      | File path                                  |
| `oldText` | string | Yes      | Original text to replace (empty to append) |
| `newText` | string | Yes      | Replacement text                           |

## Use Cases

* Modify specific parameters in configuration files
* Fix bugs in code
* Insert content at specific positions in files