- [Summary](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/branch/1.1/README.md)
- [[tutorial v1.1_000] An empty structured file with format version](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_000/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_000~1..v1.1_000))

# [tutorial v1.1_010)] A first variable with only a name

[View the diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_010~1..v1.1_010)


## Screenshot


<img src="firefox.png" width=50% height=50% alt="Firefox Proxy setting"/>


## Structure


### firefox/00-proxy.yml


```yml
%YAML 1.2
---
version: 1.1

proxy_mode:
...

```
### Let's generate the documentation

```console
foo@bar:~$ git switch --detach v1.1_010
foo@bar:~$ rougail -m firefox/ -o doc
```
| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **proxy_mode**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |

### Let's generate the changelog

```console
foo@bar:~$ git switch --detach v1.1_010
foo@bar:~$ rougail -m firefox/ -o doc --doc.contents changelog
```
#### New variable

| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **proxy_mode**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |


## User datas

### Example 1

#### config/01/config.yaml


```yml
---

```
#### Output

```console
foo@bar:~$ git switch --detach v1.1_010
foo@bar:~$ rougail -m firefox/ -u yaml -ff config/01/config.yaml
```
<pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>proxy_mode
</pre>
### Example 2

#### config/02/config.yaml


```yml
---
proxy_mode: No proxy

```
#### Output

```console
foo@bar:~$ git switch --detach v1.1_010
foo@bar:~$ rougail -m firefox/ -u yaml -ff config/02/config.yaml
```
<pre>╭──────── Caption ────────╮
│ Variable Modified value │
╰─────────────────────────╯
Variables:
<span style="color: #5c5cff">┗━━ </span>📓 proxy_mode: No proxy ◀ loaded from the YAML file "config/02/config.yaml"
</pre>
### Example 3

#### config/03/config.yaml


```yml
---
proxy_mode: Manual proxy configuration

```
#### Output

```console
foo@bar:~$ git switch --detach v1.1_010
foo@bar:~$ rougail -m firefox/ -u yaml -ff config/03/config.yaml
```
<pre>╭──────── Caption ────────╮
│ Variable Modified value │
╰─────────────────────────╯
Variables:
<span style="color: #5c5cff">┗━━ </span>📓 proxy_mode: Manual proxy configuration ◀ loaded from the YAML file "config/03/config.yaml"
</pre>
### Example 4

#### config/04/config.yaml


```yml
---
proxy_mode: foo

```
#### Output

```console
foo@bar:~$ git switch --detach v1.1_010
foo@bar:~$ rougail -m firefox/ -u yaml -ff config/04/config.yaml
```
<pre>╭──────── Caption ────────╮
│ Variable Modified value │
╰─────────────────────────╯
Variables:
<span style="color: #5c5cff">┗━━ </span>📓 proxy_mode: foo ◀ loaded from the YAML file "config/04/config.yaml"
</pre>
### Example 5

#### config/05/config.yaml


```yml
---
proxy_mode: 1

```
#### Output

```console
foo@bar:~$ git switch --detach v1.1_010
foo@bar:~$ rougail -m firefox/ -u yaml -ff config/05/config.yaml
```
<pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
<span style="color: #ffff00">┗━━ </span>the value "1" is an invalid string for "proxy_mode", which is not a string, it will be ignored when loading from the YAML file "config/05/config.yaml"
<span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>proxy_mode
</pre>


- [[tutorial v1.1_011] Describe the variable](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_011/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_011~1..v1.1_011))