Yaml File Format

Understanding yaml file format requires examining multiple perspectives and considerations. YAML is a versatile, human-readable data serialization language commonly used for writing configuration files. It provides a standardized format for representing structured data in a way that is both easily understandable to humans and interpretable by machines. What is the << (double left arrow) syntax in YAML called, and where's .... However, I am confused about where this syntax comes from or why it works.

It's important to note that, cTRL + F ing the YAML specification for << reveals that it doesn't appear anywhere in the specification. Yet it's supported by, at the very least, PyYAML and Online YAML Parser. It's important to note that, what is this syntax, and how come it doesn't seem to appear in the specification?

How do I break a string in YAML over multiple lines?. YAML makes wrong things right - for example, an innocuous colon within one string in a string array makes YAML interpret it as an array of objects. It violates the principle of least astonishment. What is the difference between '>-' and '|-' in yaml?. Newlines in folded block scalars (>) are subject to line folding, newlines in literal block scalars (|) are not.

Line folding replaces a single newline between non-empty lines with a space, and in the case of empty lines, reduces the number of newline characters between the surrounding non-empty lines by one: why --- (3 dashes/hyphen) in yaml file? So I just started using YAML file instead of application.properties as it is more readable. I see in YAML files they start with ---.

I googled and found the below explanation. YAML uses three das... What is the difference between YAML and JSON? Performance (encode/decode time) Memory consumption Expression clarity Library availability, ease of ... It's important to note that, how to pass a variable into a YAML template parameter and use it in a ....

If condition possible in yaml file? I need to add one more name based on if condition. If If variable value from another .yml file is "yes" then add a new name in the list I've the following code in my yaml file: JsNames: - name: '

Moreover, do I need quotes for strings in YAML? YAML provides three flow scalar styles: double-quoted, single-quoted and plain (unquoted). Each provides a different trade-off between readability and expressive power.

Double-quoted style: The double-quoted style is specified by surrounding " indicators. This is the only style capable of expressing arbitrary strings, by using \ escape sequences. How to escape indicator characters (colon and hyphen) in YAML.