compare_raw_enhanced.rb

#!/usr/bin/env ruby

# ARGV[0] should point to the "Raw" directory
# ARGV[1] should point to the "Enhanced" directory

if !ARGV[0] or !ARGV[1]
  puts "You must specify the raw and enhanced directories. Try again!"
  exit
end

# first we find the full path of the arguments in case we're only given
# partial paths.
raw_input_file_path = File.expand_path(ARGV[0])
enhanced_input_file_path = File.expand_path(ARGV[1])

# we check to make sure that the specified directories actually exist
if !File.exist?(raw_input_file_path) && File.exist?(enhanced_input_file_path)
	 puts "Raw directory does not exist. Try again!"
	 exit
end

if File.exist?(raw_input_file_path) && !File.exist?(enhanced_input_file_path)
	 puts "Enhanced directory does not exist. Try again!"
	 exit
end

if !File.exist?(raw_input_file_path) && !File.exist?(enhanced_input_file_path)
	 puts "Raw directory does not exist"
	 puts "Enhanced directory does not exist, either. Try again!"
	 exit
end

# next we'll join the raw input file path with the asterisk, find all the 
# filepaths, and then map the filepath to file base names.
enhanced_files = Dir.glob(File.join(raw_input_file_path, '*')).map do |filepath| 
  File.basename(filepath)
end
raw_files = Dir.glob(File.join(enhanced_input_file_path, '*')).map do |filepath| 
  File.basename(filepath)
end


# now we calculate if there are any unique files
enhanced_dir_unique_files = raw_files - enhanced_files
raw_dir_unique_files = enhanced_files - raw_files

# now we compare both directories, looking for 1 of 3 scenarios
# 1: No difference between contained files (if any)
# 2: Unique files exist in the Raw directory
# 3: Unique files exist in the Enhanced directory
if raw_dir_unique_files.empty? and enhanced_dir_unique_files.empty?
  puts "No unique files."
end

if !raw_dir_unique_files.empty?
  puts "One or more unique files exist in the RAW directory"
  puts raw_dir_unique_files
end

if !enhanced_dir_unique_files.empty?
  puts "One or more unique files exist in the ENHANCED directory"
  puts enhanced_dir_unique_files
end