集計用

cfile_anl.rb

#!/usr/bin/env ruby

cfile_path = ARGV[0]

headnum = Multiset.new
otherec = Multiset.new

certfile = File.open(cfile_path)

linenum = 0
certfile.each_line{|line|
  linenum += 1
  l = line.split("\t")
  n = l.size
  
  if l[0] =~ /\d{10}/
    headnum << n
  else
    otherec << n
  end
}

puts "\n[/\\d{10}/ mached] #{headnum.listview}"
puts "\n[not matched] #{otherec.listview}"

BEGIN{
class Multiset
  def initialize
    @collection = Hash.new
  end

  def << arg
    key = arg
    unless @collection[key]
      @collection[key] = 1
    else 
      @collection[key] += 1
    end
  end

  def inspect
    @collection
  end

  def listview(order=:desc)
    array = []

    @collection.each{|key, value|
      array << [key,value]
    }

    sort_func = case order
      when :desc
        ->(a,b){ a[0] <=> b[0] }
      when :asc
        ->(a,b){ b[0] <=> a[0] }
    end

    array.sort(&sort_func).inject("\n"){|str, obj|
      str << ("%3d\t%5d\n" % obj )
    } 

  end
end
}