#encoding: UTF-8
# This script shall verify that the Windows PATH can
# be read and its values be split using Ruby
 
require "logger"

$LOG = Logger.new(STDOUT)
$LOG.level = Logger::INFO

def test_path
	pathdirs = ENV['PATH'].split(File::PATH_SEPARATOR).collect do |d|
		pdir = nil
		if(Dir.exist?(d) )
			if(File.readable?(d) )
				# create a non nil entry for pathdirs.
				begin
					pdir = Dir.new(d)
				rescue Exception => ex
					# "Trust nobody" (Herod V)
					$LOG.error('Cannot search for executables in ' << d << ': ' << ex.message )
				end
			else
				$LOG.warn('The path-variable references an unreadable directory: ' << d)
			end
		else
			$LOG.warn('The path-variable contains an invalid value: ' << d)
		end
		pdir.path if pdir
	end
	pathdirs.join(', ')
end

if __FILE__ == $0
	$LOG.info( test_path)
end