From: Robert Klemme <shortcutter@...>
Date: 2011-04-05T21:54:33+09:00
Subject: Re: Separate new lines from an output

On Tue, Apr 5, 2011 at 12:59 PM, Peter Hickman
<peterhickman386@googlemail.com> wrote:
> On 5 April 2011 11:38, Leo M. <leo.mmcm@gmail.com> wrote:
>> Sorry for being imprecise.
>>
>> The matter is this : I have 87 files named black1, black2 ...... black
>> 87.
>>
>> I want ruby to print each file with the entire path, so, this is what
>> I've written :
>>
>> i = 1..87
>>
>> array = []
>>
>> e = i.each {|i| puts ("/R/blackout/black"+i.to_s+"\n")}
>
> e at this point is an array

No, it's a Range.

irb(main):001:0> (1..87).each {}
=> 1..87
irb(main):002:0> (1..87).each {}.class
=> Range

>> array.push e
>
> You have pushed an array (e) to be the first element of the array (array).

He has pushed a Range into the Array.

>> puts array.size # => 1
>
> So this is correct. You might want to try
>
> i = 1..87
>
> array = i.map {|i| "/R/blackout/black"+i.to_s}
>
> puts array.size # => 87

If it is just for printing I'd rather

(1..87).each {|i| puts "/R/blackout/black#{i}"}
1.upto(87) {|i| puts "/R/blackout/black#{i}"}

Cheers

robert

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