From: Chris White <cwprogram@...>
Date: 2011-09-13T23:37:58+09:00
Subject: Re: Iterate Array and (pretty)print


> I am trying to iterate through an array, convert the output to a string
> and puts that string.
>
> CODE:
>
> @hosts = ["test1", "test2", "test3", "test4"
> puts @hosts.each { |x| print x + "\n" }.to_s
>
> CURRENT OUTPUT:
>
> ["test1", "test2", "test3", "test4"]
>
> DESIRED OUTPUT:
>
> However, I want this output to go into an email message, so I'm want to
> lose the Square brackets and quotes, so it looks like this (and is a
> string):
>
> test1
> test2
> test3
>
> Any ideas?

Hi there,

In this case I think a simple join would be appropriate:

irb(main):001:0> @hosts = ["test1", "test2", "test3", "test4"]
=> ["test1", "test2", "test3", "test4"]
irb(main):002:0> puts @hosts.join("\n")
test1
test2
test3
test4

Regards,
Chris White
http://www.twitter.com/cwgem