From: Robert Klemme <shortcutter@...>
Date: 2007-07-19T17:26:32+09:00
Subject: Re: Array : each_with_index

2007/7/19, Vin Raja <vineetraja@gmail.com>:
> Thanks All,
>
> I got the nuance.
>
> But my problem just got a bit more messier.
> have a look down here:
>
> r = ['KLP','OGN' ]
> msg =<<MSG
>   Found #{r.length} orders
>   #{r.map.each_with_index{|v,i|  puts "(#{i+1})  #{v}\n" }}
> MSG
>
> puts msg
>
> This prints:
>
> >ruby try.rb
> (1)  KLP
> (2)  OGN
>   Found 2 orders
>   KLPOGN
>
> >Exit code: 0
>
> And this time I also know why, thanks again.
>
> But what I actually wanted was this sort of output:
>
> >ruby try.rb
>
>   Found 2 orders
>   (1)  KLP
>         (2)  OGN
>
> >Exit code: 0
>
> Any Help!

You are confusing string evaluation with output.  You need to remove
the puts from the string interpolation or use a different approach.
I'd keep things simple and do

r = ['KLP','OGN' ]
print "found ", r.size, " orders\n"
r.each_with_index do |e,i|
  print "  (", i+1, ") ", e, "\n"
end

robert