[This is preliminary documentation and subject to change.]
Gets a value indicating whether the specified environment variable exists.
true if the environment variable exists; otherwise, false.
Missing <remarks> documentation for M:NAnt.Core.Functions.EnvironmentFunctions.VariableExists(System.String)
Execute a set of tasks only if the "BUILD_DEBUG" environment variable is set.
<if test="${environment::variable-exists('BUILD_DEBUG')}"> ... </if>
EnvironmentFunctions Class | NAnt.Core.Functions Namespace