public/subjects/ascii-art-web/ascii-art-web-export-file.en.md

## ascii-art-web-export

### Objectives

You must follow the same [principles](https://public.01-edu.org/subjects/ascii-art-web/ascii-art-web.en) as the first subject.

Ascii-art-web-export consists on making sure that it is possible to export the output of the web application, at least in one export format at your choice.

- You should be able to export the result of the [ascii-art](https://public.01-edu.org/subjects/ascii-art/ascii-art.en) project implemented in the website.
- The file must be exported with the right permissions (**read and write**) for the user.

This project will help you learn about :

- The basics of export formats :
  - Portable Document Format (pdf)
  - Text File (txt)
  - [Here are some more examples](https://en.wikipedia.org/wiki/Document_file_format)
- HTTP headers
- Ways to receive data.
- Ways to output data.

### Instructions

- The web server must export at least in one export format.
- The web server must be created in **Go**.
- You must handle website errors.
- The code must respect the [good practices](https://public.01-edu.org/subjects/good-practices.en).

### Allowed packages

- Only the [standard go](https://golang.org/pkg/) packages are allowed