update readme

README.md

@@ -25,13 +25,14 @@ author:      xdrm-brackets
         * [1. Create build file](#1-create-build-file)
         * [2. Run on the target](#2-run-on-the-target)
   * [II. Commands](#ii-commands)
-    + [1) Comments](#1-comments)
+    + [1) Sections](#1-sections)
-    + [2) Install/remove Packages](#2-installremove-packages)
+    + [2) Comments](#2-comments)
-    + [3) Setup configuration](#3-setup-configuration)
+    + [3) Install/remove Packages](#3-installremove-packages)
-    + [4) Service management](#4-service-management)
+    + [4) Setup configuration](#4-setup-configuration)
-    + [5) Custom scripts](#5-custom-scripts)
+    + [5) Service management](#5-service-management)
-    + [6) Copy files](#6-copy-files)
+    + [6) Custom scripts](#6-custom-scripts)
-    + [7) Aliases](#7-aliases)
+    + [7) Copy files](#7-copy-files)
+    + [8) Aliases](#8-aliases)
   * [III. Path Expressions](#iii-path-expressions)
     + [1) Syntax](#1-syntax)
     + [2) File Formats](#2-file-formats)
@@ -70,7 +71,7 @@ $ go get -u github.com/xdrm-brackets/nix-amer
 
 ###### 1. Create build file
 
-The first step is to write your build file according to the installation you want. While writing your build file you can check the syntax by using the `-dry-run` command-line argument as follows :
+The first step is to write your build file according to the installation you want. While writing it you can check the syntax and validate instructions by using the `-dry-run` command-line argument as follows :
 
 ```bash
 $ nix-amer -p apt-get -dry-run <path/to/build/file>
@@ -82,7 +83,7 @@ $ nix-amer -p apt-get -dry-run <path/to/build/file>
 
 ###### 2. Run on the target
 
-Once your build file is correct and fulfills your needs, you can log in to the target machine, install the nix-amer and run it with your build file. Nix-amer's rich and colorful command-line output will give you a good feedback to rapidly fix problems.
+Once your build file is correct and fulfills your needs, you can log in to the target machine, install nix-amer and run it with your build file. The rich and colorful command-line output will give you a good feedback to rapidly fix problems.
 
 
 
@@ -94,17 +95,23 @@ Once your build file is correct and fulfills your needs, you can log in to the t
 
 ### II. Commands
 
-Your whole setup remains in 1 only build file. Each line contains one instruction, the list of instructions is listed below.
+Your whole setup remains in only one file. Each line contains one instruction, the list of instructions is listed below.
 
 
 
-#### 1) Comments
+#### 1) Sections
 
-Each line beginning with one of the following characters : `[`, `#` or `;` is considered a comment and is not interpreted.
+Each instruction is enclosed in a section (_cf. ini file format_), a section definition stands on a line where the name of the section is surrounded by `[` and `]`. Each section is executed in parallel ; the special section named `pre` is executed before every other.
 
 
 
-#### 2) Install/remove Packages
+#### 2) Comments
+
+Each line beginning with one of the following characters : `#` or `;` is considered a comment and is not interpreted.
+
+
+
+#### 3) Install/remove Packages
 
 These instructions allow you to interact with the package system available on your system.
 
@@ -122,7 +129,7 @@ Remove the listed packages. If more than one, use spaces to separate package nam
 
 
 
-#### 3) Setup configuration
+#### 4) Setup configuration
 
 This instruction allow you to set fields of configuration files without the need of an editor and in a developer-readable manner.
 
@@ -134,7 +141,7 @@ Update a configuration file where \<expr\> is a dot-separated human-readable [pa
 
 
 
-#### 4) Service management
+#### 5) Service management
 
 These instructions allow you to interact with the service system (_cf. [systemd](https://github.com/systemd/systemd)_).
 
@@ -145,7 +152,7 @@ Perform the action on services. If more than one, use spaces to separate service
 
 
 
-#### 5) Custom scripts
+#### 6) Custom scripts
 
 This instruction allows you to use custom scripts for complex operations.
 
@@ -153,9 +160,9 @@ This instruction allows you to use custom scripts for complex operations.
 run <script>
 ```
 
-Execute the executable located at the path \<script\>. If script is an [alias](#7-aliases) it will resolve to its path
+Execute the executable located at the path \<script\>. If script is an [alias](#8-aliases) it will resolve to its path
 
-#### 6) Copy files
+#### 7) Copy files
 
 This instruction allows you to copy files.
 
@@ -167,7 +174,7 @@ Try to copy the file \<src\> to the path \<dst\>.
 
 
 
-#### 7) Aliases
+#### 8) Aliases
 
 The file format allows you to create aliases to file paths for more readability in the [path expression](#ii-path-expressions) or with the [`run` command](#5-custom-scripts).
 
@@ -195,7 +202,7 @@ The syntax is pretty fast-forward, it uses 2 levels (file, fields) to find your
 
 | Field     | Description                          | Example                    |
 | --------- | :----------------------------------- | -------------------------- |
-| `location_or_alias` | Path to the configuration file to edit. The file will be created if not found. If the path is an [alias](#7-aliases) created before in the file, it will resolve to the alias value as a filename. | `/etc/nginx/nginx.conf`, `some-alias` |
+| `location_or_alias` | Path to the configuration file to edit. The file will be created if not found. If the path is an [alias](#8-aliases) created before in the file, it will resolve to the alias value as a filename. | `/etc/nginx/nginx.conf`, `some-alias` |
 | `fields` | Dot-separated chain of strings that match a configuration field. If the field does not point to a raw field but an existing field container, the \<value\> will replace the group with a text value. | `AllowGroups`, `http.gzip` |
 
 > The `fields` is processed only for known file formats listed in this [section](#2-file-formats).
@@ -212,9 +219,9 @@ Configuration files can be written according to some standards or application-sp
 
 - [yaml](https://en.wikipedia.org/wiki/YAML) with [go-yaml/yaml](https://github.com/go-yaml/yaml).
 - [ini](https://en.wikipedia.org/wiki/INI_file) with [go-ini/ini](https://github.com/go-ini/ini).
-
+- [nginx configurations](https://docs.nginx.com/nginx/admin-guide/basic-functionality/managing-configuration-files/) with [my own library](https://godoc.org/github.com/xdrm-brackets/nix-amer/internal/cnf/parser/nginx).
--  [nginx configurations](https://docs.nginx.com/nginx/admin-guide/basic-functionality/managing-configuration-files/) with [my own library](https://godoc.org/github.com/xdrm-brackets/nix-amer/internal/cnf/parser/nginx).
+- [bash sourced configurations]() with [my own library](https://godoc.org/github.com/xdrm-brackets/nix-amer/internal/cnf/parser/bash) (_e.g. ~/.bashrc_).
--  _and more to come..._
+- _and more to come..._