A FileCreationTask is a file task that when used as a dependency will be needed if and only if the file has not been created. Once created, it is not re-triggered if any of its dependencies are newer, nor does trigger any rebuilds of tasks that depend on it whenever it is updated.

Methods
N
T
Instance Public methods
needed?()

Is this file task needed? Yes if it doesn't exist.

Source: show | on GitHub 

# File lib/rake/file_creation_task.rb, line 13
def needed?
  ! File.exist?(name)
end
timestamp()

Time stamp for file creation task. This time stamp is earlier than any other time stamp.

Source: show | on GitHub 

# File lib/rake/file_creation_task.rb, line 19
def timestamp
  Rake::EARLY
end