Created
May 9, 2016 16:41
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#!/usr/bin/env ruby | |
require 'csv' | |
require 'optparse' | |
require 'ostruct' | |
# Opt Parser | |
options = OpenStruct.new | |
OptionParser.new do |opts| | |
opts.banner = "Usage: ./test.rb [options]" | |
opts.on('-c', '--csv [CSV File]', 'Path of the CSV to be parsed') do |n| | |
options.csv = n || nil | |
end | |
opts.on('-a', '--array_one [ARRAY]', 'First Array') do |array| | |
array_one = array.split(",").to_a | |
options.array_one = array_one || nil | |
end | |
opts.on('-b', '--array_two [ARRAY]', 'Second Array') do |array| | |
array_two = array.split(",").to_a | |
options.array_two = array_two || nil | |
end | |
opts.on('-e', '--export [FILENAME]', 'Export CSV to File') do |filename| | |
options.export = true | |
options.export_filename = filename | |
end | |
opts.on('-v', '--verbose', 'Verbose Mode') do | |
options.verbose = true | |
end | |
end.parse! | |
# Inputs | |
array_one = options.array_one || ["teen_star"] | |
array_two = options.array_two || ["tv_stars", "old_stars"] | |
csv = options.csv || 'test.csv' | |
# CSV Parse | |
table = CSV.table(csv, headers: true) | |
# Enumerator to make the script performant | |
rows = table.each | |
# Case I | |
rows.each do |master_row| | |
if array_one.include? master_row[:source] | |
rows.delete_if { |row| row[:email] == master_row[:email] } | |
end | |
end | |
# Case II | |
emails = [] | |
index = {} | |
prev_email = nil | |
rows.each do |master_row| | |
prev_email = master_row[:email] | |
email_index = emails.index master_row[:email] | |
index[master_row[:source]] = array_two.index(master_row[:source]) if array_two.include? master_row[:source] | |
if email_index.nil? | |
emails << master_row[:email] | |
else | |
rows.delete_if do |row| | |
index[row[:source]] != index.values.min if prev_email == row[:email] and emails.include? row[:email] | |
end | |
end | |
end | |
# Packaging Options | |
if options.verbose | |
rows.each { |r| puts r.inspect } | |
end | |
if options.export | |
puts "Exporting.." | |
CSV.open(options.export_filename, "wb") do |csv| | |
rows.each do |row| | |
csv << row | |
end | |
end | |
puts "File #{options.export_filename} has been created." | |
end |
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