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Preamble

Introduction

The preamble gem lets you add a yaml preamble to your files, much like the Jekyll static site generator

Example

---
key1: value1
key2: [1, 2, 3]
---

Your body content goes here.

Usage

# load file with metadata and content
Preamble.load("./file.xyz") 

# load multiple files with metadata and content
Preamble.load_multiple("./file.xyz", "./file.abc") 

# save metadata and content
file = Preamble.new({"author" => "Lucky", "year" => 2014}, "My lucky diary.")
file.save("diary.txt")

# load, modify metadata, then save
file = Preamble.load('./file.xyz')
file.metadata["new_key"] = "factoid"
file.save('./file.xyz')

Output

The Preamble.load function returns a Preamble object. Your data will be in preamble.metadata, and the rest of the content will be in preamble.content.

preamble.metadata

{ "key1" => "value1", "key2" => [1, 2, 3] }

preamble.content

"\nYour body content goes here"

Notes

  1. The preamble must begin and end with three dashes '---'
  2. Whitespace can go above the preamble, but no content
  3. This gem is template-agnostic. It doesn't care what your body content is. It just gives it to you as a string.

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  • Ruby 100.0%