YAML (YAML Ain't Markup Language) is a human-friendly data serialization standard for all programming languages.
Dictionaries & Lists
# Comments begin with "#"
# Dictionaries are written as "key: value"
name: Martin D'vloper
languages:
perl: Elite
python: Elite
pascal: Basic
# List items begin with "- "
foods:
- Apple
- Orange
- Strawberry
- Mango
# Booleans use lowercase
employed: true
Multiline Strings
# Literal Block Scalar (preserves newlines)
multiline_literal: |
exactly as you see
will appear these three
lines of poetry
# Folded Block Scalar (folds newlines to spaces)
multiline_folded: >
this is really a
single line of text
despite appearances
Anchors & Inheritance
parent: &defaults
a: 2
b: 3
child:
<<: *defaults
b: 4
Reusable Sequences
values: &ref
- These values
- will be reused below
other_values:
<<: *ref