olivernn/greyhound — pull request #1 by olivernn (2013-05-04 15:28:06+00:00)
Title: Print out usage information

Adding a `--help` option which prints out the flags and their default values as well as a short example.

$ greyhound --help
greyhound: Fast fuzzy filepath finder.

-dir="": Directory to search in.
-exclude="": Sub directories to exclude from search.
-help=false: Shows this message.
-query="": File path pattern to search for.

e.g. greyhound --query test --exclude .git,.svn --dir ~/code/project