Canx/kata4_1.rb

## kata4_1.rb
data = Array.new
File.foreach("weather.dat") { |line|
  if line =~ /^\s+([0-9]+)\s+([0-9]+)[*]?\s+([0-9]+)[*]?/ then
    data << {:day => Integer($1), :spread => Integer($2) - Integer($3)}
  end
}

puts data.min { |a,b| a[:spread] <=> b[:spread] }
	data = Array.new
	File.foreach("weather.dat") { \|line\|
	if line =~ /^\s+([0-9]+)\s+([0-9]+)[]?\s+([0-9]+)[]?/ then
	data << {:day => Integer($1), :spread => Integer($2) - Integer($3)}
	end
	}

	puts data.min { \|a,b\| a[:spread] <=> b[:spread] }