```ruby
#### Food Finder ####
#
# Launch this ruby file from the command line
# to get started.
#

APP_ROOT = File.dirname(__FILE__)

require File.join(APP_ROOT, 'lib', 'guide')

guide = Guide.new('restaurants.txt')
guide.launch!
```

Add lib directory as default place for required files
user
```ruby
#### Food Finder ####
#
# Launch this ruby file from the command line
# to get started.
#

APP_ROOT = File.dirname(__FILE__)

$:.unshift( File.join(APP_ROOT, 'lib') )

guide = Guide.new('restaurants.txt')
guide.launch!
```
assistant