These files contain text data arranged in a hierarchical structure.
It supports Scalar types (Integer, strings, float, Boolean, Time) and collection types (array, list).
This course series of posts help you to get the basics with examples for learning.
- It is case sensitive
- file extension is
- Tabs are not allowed,
- Some editors allow spaces
- It is very easy and simple to represent the complex mapping
- Human friendly readable and writable
- Simple to modify with any text editor
- Suitable for configuration settings
- Support for major programming languages
- It is a new format introduced recently, and a learning curve exists.
- Not much popular other than XML and JSON
- It is very complex to represent configuration in the hierarchy of data
What is the file extension
yaml files are created with extension
You can use any IDE or text editor to open this file.
All the popular IDE supports the
yaml file extension and also provide plugins to validate the
yaml file content.
What is the YAML media type?
media or MIME types exist in request headers with
accept during data transfer between systems.
According to IANA, there is no official MIME type for YAML document content.
It can be represented using
application/x-yaml mime types
yaml data transfers between client and server, Implementation vendors add MIME type settings specified in requests and responses across the internet.
Generally, we can use the MIME format type -
accept headers in a request object are specified with this format.
Following is the mime type for these documents
and request contains the below value for YAML data sent over the internet.
Content-type : text/yaml
The other possible options are
One of the above is considered based on the browser and the supported programming language.
For example, Chrome accepts application/yaml.
How do you open yaml files?
These files open in a simple text editor or Integrated Development editors like Visual Studio, Atom Sublime Text, Notepad++, and Intelli IDEA in Windows, UNIX, and MAC OS.
Basic editors provide only capabilities to read and write without format and validation.
IDEs provide plugins following features.
- Auto or manual Format the code
- Syntax highlights coloring
- Inline render of this content in HTML view
- Some plugins provide to export to PDF and Documents