Yaml

Heredoc that converts newlines to spaces and ignores leading indent

a_long_line: >
    line 1
    line 2
    line 3
    ...

# Prints: line 1 line 2 line 3

Heredoc that preserves newlines and ignores leading indent

private_key: |
    line 1
    line 2
    line 3
    ...

# Prints:
line 1
line 2
line 3
...