From: Rob Biedenharn <Rob@...>
Date: 2009-08-08T09:43:12+09:00
Subject: Re: How do I add ?

On Aug 7, 2009, at 8:10 PM, w_a_x_man wrote:

> On Aug 7, 7:02 pm, w_a_x_man <w_a_x_...@yahoo.com> wrote:
>> On Aug 7, 11:44 am, chutsu <chu...@gmail.com> wrote:
>>
>>> I've got a file that is in two columns, how do I add the second  
>>> column
>>> up as I read through the file?
>>
>>> Code:
>>> #!/usr/bin/ruby
>>> file = File.open('some_file.txt')
>>
>>> # Going through each line
>>> file.each do |line|
>>>  data = line.split("\t")
>>>  total += data[1]        # How do I make this line work?
>>> end
>>
>>> puts total
>>
>> awk "{t += $2} END {print t}" some_file.txt
>
> ruby -ane"BEGIN{$t=0}; $t += $F[1].to_f; END{p $t}" some_file.txt


Just because you can still write your Perl in Ruby, doesn't mean that  
you *should*.

-Rob

Rob Biedenharn		http://agileconsultingllc.com
Rob@AgileConsultingLLC.com