YAML

YAML, aka YAML Ain't Markup Language, is a data notation created in 2001.

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22Years Old

525Repos

Try now: Riju

YAML (YAML Ain't Markup Language) is a human-readable data serialization language. It is commonly used for configuration files, but could be used in many applications where data is being stored (e.g. debugging output) or transmitted (e.g. Read more on Wikipedia...

YAML website
YAML Wikipedia page
YAML docs
There are at least 525 YAML repos on GitHub
PLDB estimates there are currently 61 job openings for YAML programmers.
file extensions for YAML include yml, mir, reek, rviz, sublime-syntax, syntax, yaml, yaml-tmlanguage, yamlsed and ymlmysql
The Google BigQuery Public Dataset GitHub snapshot shows 12 users using YAML in 13 repos on GitHub
YAML LSP implementation
CodeMirror package for syntax highlighting YAML
Monaco package for syntax highlighting YAML
Pygments supports syntax highlighting for YAML
GitHub supports syntax highlighting for YAML
See also: (11 related languages)JSON, Perl, Python, MIME, C, HTML, SOAP, Emacs, UTF-8, AsciiDoc, S-expressions

Example from Riju:

output: "Hello, world!"

Example from hello-world:

hello: world

Example from Linguist:

--- 
name: R Console
fileTypes: []

scopeName: source.r-console
uuid: F629C7F3-823B-4A4C-8EEE-9971490C5710
patterns: 
- name: source.r.embedded.r-console
  begin: "^> "
  beginCaptures: 
    "0": 
      name: punctuation.section.embedded.r-console
  end: \n|\z
  patterns: 
  - include: source.r
keyEquivalent: ^~R

Example from Wikipedia:

---
example: >
        HTML goes into YAML without modification
message: |

        <blockquote style="font: italic 12pt Times">
        <p>"Three is always greater than two,
           even for large values of two"</p>
        <p>--Author Unknown</p>
        </blockquote>
date: 2007-06-01

Feature	Supported	Token	Example
Sets	✓		# Explicitly typed set. baseball players: !!set ? Mark McGwire ? Sammy Sosa ? Ken Griffey # Flow style baseball teams: !!set { Boston Red Sox, Detroit Tigers, New York Yankees }
Comments	✓
Line Comments	✓	#	# A comment
Semantic Indentation	✓

YAML - Data notation

Language features