not

Prototype: not(expression)

Return type: string

Description: Calculate whether expression is false

Arguments:

• expression : Class expression, in the range .*

Example:

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

Notes:

History: Was introduced in 3.2.0, Nova 2.1.0 (2011)