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not - CFEngine 3.26 Docs

Prototype: not(expression)

Return type: boolean

Description: Returns any if all arguments evaluate to false and !any if any argument evaluates to true.

Arguments:

• expression: string - Class value - in the range: .*

Argument Descriptions:

• expression - Class, class expression, or function that returns a class

Example:

code

commands:
  "/usr/bin/generate_config $(config)"
    if => not( fileexists("/etc/config/$(config)") );

Notes: Introduced primarily for use with if and unless promise attributes.

See also: and(), or()

History:

• Introduced in 3.2.0, Nova 2.1.0 (2011)
• Return type changed from string to boolean in 3.17.0 (2020) (CFE-3470)

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