# File append line

Đây là nội dung của file text trước khi ghi.

<figure><img src="https://641695406-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fwj2rOIUuOrQMX9pytS6j%2Fuploads%2FtcuQ23U7FpUJwTTWJgQs%2Fimage.png?alt=media&#x26;token=a65d9da9-1b58-416d-af94-8e54bc161771" alt=""><figcaption></figcaption></figure>

<figure><img src="https://641695406-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fwj2rOIUuOrQMX9pytS6j%2Fuploads%2FlXW8wgOxYgA2i7CXBbt1%2Fimage.png?alt=media&#x26;token=1628afc2-b55c-4ee4-b4ed-3cbbabfd0a10" alt=""><figcaption><p>File append line</p></figcaption></figure>

Đây là nội dung của file text sau khi ghi.

<figure><img src="https://641695406-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fwj2rOIUuOrQMX9pytS6j%2Fuploads%2F2nFdSSu7R0gtCOEIJRQV%2Fimage.png?alt=media&#x26;token=e0210537-f57e-471a-bd82-860ce99a1e30" alt=""><figcaption></figcaption></figure>