From: Robert Klemme <shortcutter@...>
Date: 2012-12-27T20:02:05+09:00
Subject: Re: Accumulate total count for each month

On Wed, Dec 26, 2012 at 10:59 PM, 7stud -- <lists@ruby-forum.com> wrote:
> Robert Klemme wrote in post #1090246:
>>
>>
>> Why isn't that simple?  Did you actually try it?
>>
>> require 'date'
>>
>> counts = Hash.new 0
>>
>> ARGF.each do |line|
>>   line.chomp!
>>   counts[Date.parse(line)] += 1
>> end
>>
>> counts.sort_by {|d,| k}.each do |d, c|
>>   printf "%-20s %6d\n", d, c
>> end
>>
>> Cheers
>>
>> robert
>>
>
> 1.rb:10:in `block in <main>': undefined local variable or method `k' for
> main:Object (NameError)

Typo when ad hoc refactoring names

require 'date'

counts = Hash.new 0

ARGF.each do |line|
  line.chomp!
  counts[Date.parse(line)] += 1
end

counts.sort_by {|d,| d}.each do |d, c|
  printf "%-20s %6d\n", d, c
end

Cheers

robert


--
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/