ast_calc_mins

#!/usr/bin/env ruby

require "rubygems"
begin
 require "fastercsv"
 myCSV=FasterCSV
rescue LoadError
 require 'csv'
 myCSV=CSV
end

if ARGV.length == 0
  puts "no file given"
  exit
end

firstcall=nil
lastcall=nil
s=i=0
myCSV.foreach(ARGV[0]) do |r|
  if i == 0
    firstcall=r[9] 
  else
    lastcall=r[9]
  end
  s = s + r[13].to_i
  i = i+1
end 

m = s / 60
h = m / 60

puts "Total calls: #{i}" 
puts "Minutes: #{m}, Hours: #{h}"
puts "First call: #{firstcall}, Last call: #{lastcall}"