From: Robert Dober <robert.dober@...>
Date: 2008-05-08T17:22:51+09:00
Subject: Re: changing hash key

On Wed, May 7, 2008 at 7:00 PM, Tim Wolak <tim.wolak@gmail.com> wrote:
> Sandro Paganotti wrote:
>  > This is not working because you're using a string called '@acctnum'
>  > instead of the content of the variable @acctnum inside both has_key? and
>  > merge functions
>  >
>  > First remove ' signs from that functions, next I suggest you to use
>  > symbols instead
>  > of variables for keys (@acctnum.to_sym instead of @acctnum)
>  >
>  > Bye
>  >
>  >  sktylist = Hash.new("")
>  >              if sktylist.has_key?('@acctnum')
>  >                sktylist.merge!('@acctnum' => 'value')
>  >  else
>  >                sktylist[@acctnum] = [value]
>  >              end
>  >              sktylist.each { |key, value| puts "#{key} equals #{value}"
>  > }
>
>  I've created the hash and can store all keys and values however I'm
>  trying += to add the balances which is value in the hash.  So far the
>  accounts that have the same number are not being consolidated into one
>  key, value....  Can someone tell me what I'm doing wrong with this?
>
>
>  Thanks,
>  Tim
>
>   sktylist = Hash.new("")
>             sktylist[@acctnum] += [value]
>          p sktylist
>  --
>
Given the limited amount of information I have I would guess that you
might doing this

   TypeError: can't convert Array into String

wrong.

HTH
Robert



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