How do I run Rake tasks within a Ruby script?

Question

I have a Rakefile with a Rake task that I would normally call from the command line:

rake blog:post Title

I\'d like to write a

Answer 1

This works with Rake version 10.0.3:

require 'rake'
app = Rake.application
app.init
# do this as many times as needed
app.add_import 'some/other/file.rake'
# this loads the Rakefile and other imports
app.load_rakefile

app['sometask'].invoke

As knut said, use reenable if you want to invoke multiple times.