Append Text To File
Input Parameters
| Parameter | Required | Description | Example |
|---|---|---|---|
file_path | Yes | Path to the file to update | ~/Downloads/poem.txt |
new_content | Yes | The text content to append to the file | And as the algorithms learn and grow, |
| Through neural networks, row by row, | |||
| We stand together, human and machine, | |||
| Building worlds we've never seen. | |||
preserve_formatting | No | Whether to maintain existing line breaks and spacing | true |
Procedure
- Locate the target file using
findcommand or ask user for file path if not provided - Retrieve the current file content to understand context and formatting
- Prepare the new content to append, ensuring it matches the existing style and format
- Append the new content to the file using
write_filetool with the combined original + new content - Verify the file was updated by checking file size and displaying the appended section
- Confirm success with user, showing what was added
Output
Updated file with appended content. Returns confirmation message with file size change (bytes before/after) and preview of the newly added text.
Reference Commands
cat {{FILE_PATH}} && echo '{{NEW_CONTENT}}' >> {{FILE_PATH}}
Example
add another verse to the poem file
append a new section to the document
update the file with additional content
add a closing paragraph to the text file
extend the story with one more chapter
Notes
- Always retrieve and display the current file content before appending to understand context
- Ensure new content matches the existing formatting, style, and tone
- Use write_file tool rather than shell append (>>) for reliable file handling
- Consider asking user for clarification on placement if file has multiple sections