```ruby
$LOAD_PATH.unshift File.expand_path("../../lib", __FILE__)
require "palletjack"
```

Define global with path to examples/warehouse
user
```ruby
$LOAD_PATH.unshift File.expand_path("../../lib", __FILE__)
require "palletjack"

$EXAMPLE_WAREHOUSE = File.expand_path('../../examples/warehouse', __FILE__)
```
assistant