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Pan (programming language)
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<p>The pan <a href="/facts/Configuration_file/DDzU0FLJ">configuration language</a> allows the definition of machine configuration information and an associated schema with a simple, human-accessible syntax. A pan language compiler transforms the configuration information contained within a set of pan templates to a machine-friendly XML or JSON format. </p><p>The pan language is used within the <a href="/facts/Quattor/68xn63Me">Quattor</a> toolkit to define the desired configuration for one or more machines. The language is primarily a <a href="/facts/Declarative_language/gogtdzcJ">declarative language</a> where elements in a hierarchical tree are set to particular values. The pan syntax is human-friendly and fairly simple, yet allows system administrators to simultaneously set configuration values, define an overall configuration schema, and validate the final configuration against the schema. </p>