From: Logan Capaldo <logancapaldo@...>
Date: 2006-06-04T10:13:59+09:00
Subject: Re: private method `split' ?


On Jun 3, 2006, at 9:07 PM, Sy Ali wrote:

> Somehow, when trying to split an element in an array, split is no
> longer working.
>
> I get this error:
>
> private method `split' called for #<Array:0xa7ad1ba4> (NoMethodError)
>
> I can't show the code which generates the array, but I can reproduce
> the error with something simple like this:
>
> puts ["a\nb", "c"].split("\n")
>
> However, imagine if you would that code like this could generate the
> same private method error.
>
> array = ["a\nb", "c"]
> puts array[0].split("\n")
>
> (where 'array[0]' is an element in a slightly complex array)
>
>
> Why can't I use split with an element in my array?  What's going on  
> here?
>
> I can do { puts array[0].inspect } and everything is normal..
>
>
> My goal is to convert an array which has strings of varying sizes (one
> or more lines) into an array where each element has just one line of
> text.  Maybe there's a better way to do this and I can avoid this
> wierdness?
>

array = [ "one line\n", "two line\nred line\n", "blue line" ]
array.map { |elem| elem.to_a }.flatten
#=> ["one line\n", "two line\n", "red line\n", "blue line"]