sample.rb

# For stackoverflow issue http://stackoverflow.com/questions/34544049/process-a-file-using-hash

hash_array = []

# Parse the lines and store it in hash array
File.open("b.txt", "r") do |f|
	f.each_line do |line|
	   # Splits are done around , and = preceded or followed 
	   # by any number of white spaces
	   splits = line.chomp.split(/\s*,\s*/).map{|p| p.split(/\s*=\s*/)}
	   hash_array << splits.to_h 
	end
end

# Sort the array of hashes
hash_array.sort {|i, j| i["name"] <=> j["name"]}

# Print the output
header = ["Name", "Email", "Country", "Comments"]
puts header.join(" ")
hash_array.each do |h|
	puts h.values_at(*header).join(" ")
end