rake test runner

#!/bin/bash
function rtest
{

ignore=${1:?'file not set'}
#locate test file name(s)
local test_file
local test_type

#are they unit / functionals?
#run rake test with appropriate options
for file_name in "$@"; do
  test_file=`find . -name $file_name\*_test.rb`
  echo $test_file
  #find type of test
  test_type=`echo $test_file | egrep "(unit|functional)" -o`
  echo "rake test:${test_type}s TEST=\"$test_file\" TESTOPTS=\"-v\""
done
}