From: Pit Capitain <pit@...>
Date: 2007-02-23T23:53:14+09:00
Subject: Re: concatenating strings with nil values

tchick schrieb:
> On 23 Feb., 15:19, Harry <ruby.hardw...@gmail.com> wrote:
>> Is this what you are looking for?
>>
>> http://www.rubycentral.com/book/ref_c_hash.html#Hash.new
> 
> Ahem, no.

Are you sure? See below...

> What I'm actually trying is this: I have an array of hashes,
> and I like to make strings out of them.  Some of the hashes
> do not have values for some keys, so when putting together
> the string, I get the error message, but I just want to add
> "nil" or something else for this case.

   words = Hash.new "nil"  # I suppose this is what Harry thought of
   words[0]="one"

   allWords = "all words:"
   allWords << words[0]
   allWords << words[1]

   p allWords  # => "all words:onenil"

Regards,
Pit