From: Kless <jonas.esp@...>
Date: 2008-08-30T20:45:01+09:00
Subject: Re: Show elements of array separated

Thanks! I was too complicated:

irb(main):001:0> foo = ['a', 'b', 'c']
=> ["a", "b", "c"]
irb(main):002:0> s = ''
=> ""
irb(main):003:0> foo.each {|x| s += x.to_s + ', '}
=> ["a", "b", "c"]
irb(main):004:0> puts s[0..-3]
a, b, c
=> nil


On Aug 30, 12:33 pm, Robert Klemme <shortcut...@googlemail.com> wrote:
> On 30.08.2008 10:09, Kless wrote:
>
> > Why when is showed an array  into a variable , it is showed with all
> > characters followed?
>
> > ---------------
> > foo = ['a', 'b', 'c']
> > puts "the content is: #{foo}" # =>  the content is: abc
> > ---------------
>
> > I'm supposed that is because at the first it converts the array into a
> > string. But is there any way of show the elements of array separated?
>
> irb(main):001:0> foo = %w{a b c}
> => ["a", "b", "c"]
> irb(main):002:0> foo.to_s
> => "abc"
> irb(main):003:0> foo.join ", "
> => "a, b, c"
> irb(main):004:0>
>
> Kind regards
>
>         robert