From: Rob Biedenharn <Rob@...>
Date: 2010-05-09T00:59:12+09:00
Subject: Re: Strings iteration

On May 8, 2010, at 10:30 AM, Robert Klemme wrote:
> On 08.05.2010 12:12, Viorel wrote:
>> I have some names like aaxxbbyy where xx is '01'..'10' and yy is also
>> '01'..'10'. I think there is a simple, rubyst way of iterating  
>> through
>> them, and I ask for your help in finding it. Thank you in advance!
>
> I am not sure I understand exactly what you are trying to do.  Does  
> this help?
>
> irb(main):005:0> r = '01' .. '10'
> => "01".."10"
> irb(main):006:0> r.zip(r){|xx,yy| puts "aa#{xx}bb#{yy}"}
> aa01bb01
> aa02bb02
> aa03bb03
> aa04bb04
> aa05bb05
> aa06bb06
> aa07bb07
> aa08bb08
> aa09bb09
> aa10bb10
> => nil
> irb(main):007:0>
>
> Kind regards
>
> 	robert
>
> -- 
> remember.guy do |as, often| as.you_can - without end
> http://blog.rubybestpractices.com/


I'm guessing the OP expects a series of 100 names:
aa01bb01
aa01bb02
...
aa01bb10
aa02bb01
...
aa10bb09
aa10bb10

So iterate both parts separately:

xx_range = '01'..'10'
yy_range = '01'..'10'
xx_range.each do |xx|
   yy_range.each do |yy
     puts "aa#{xx}bb#{yy}"
   end
end

Or wrap that up in a method and replace puts with yield

def names
xx_range = '01'..'10'
yy_range = '01'..'10'
xx_range.each do |xx|
   yy_range.each do |yy
     yield "aa#{xx}bb#{yy}"
   end
end
end

names.each {|name| puts name }

Reasonably simple and certainly rubyist ;-)

-Rob

Rob Biedenharn
http://agileconsultingllc.com
	Rob@AgileConsultingLLC.com
http://gaslightsoftware.com
	rab@GaslightSoftware.com