YAML

YAML (YAML Ain't Markup Language) is a human-readable data serialization language.

Basic YAML file example with one record:

# An employee record
martin_smith:
    name: Martin Smith
    job: Developer
    skill: Elite

Basic YAML file example with two record:

# My employee records
# An employee record
- martin_smith:
    name: Martin Smith
    job: Developer
    skill: Elite

# An employee record
- Thomas_Edisson:
    name: Tomas Eddison
    job: Developer
    skill: Basic

Activities

1. Write a YAML file and test it with yq: yq r your_new_yaml_file.yml
2. Read 10 YAML tips for people who hate YAML https://www.redhat.com/sysadmin/yaml-tips. (yamllint)
3. Read https://en.wikipedia.org/wiki/Comparison_of_data-serialization_formats
4. Read stackoverflow YAML related questions: https://stackoverflow.com/questions/tagged/yaml?tab=Votes

See also

• JSON
• Ansible
• yq command-line YAML processor

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Source: https://en.wikiversity.org/wiki/DevOps/YAML