On Sat, Apr 9, 2011 at 10:37 PM, David Kahn <[email protected]>wrote:
> I am trying to understand how to work with a single quote within an eval
> such as:
>
> assigned_string = ''
> name = "Addy's"
> eval("assigned_string='#{name}'")
>
> SyntaxError: (eval):1: syntax error, unexpected tIDENTIFIER, expecting $end
> assigned_string='Addy's'
> ^
> Ok, this error makes sense, but when I try to escape the single quote I
> also get an error:
>
> eval("assigned_string='#{name.gsub(/'/,"\'")}'")
> SyntaxError: (eval):1: syntax error, unexpected tIDENTIFIER, expecting $end
> assigned_string='Addy's'
>
> However if I want to just remove the single quote I am fine and get no
> error:
> eval("assigned_string='#{name.gsub(/'/,"")}'")
>
>
> Is there a different way to do such an eval? In actuality what I am doing
> with this phrase is to assign hash params to the attributes of a class:
>
> eval("background_process_status.#{key.to_s}='#{value}'")
>
>
Does it need to use eval? If not, you can just:
background_process.send("#{key.to_s}=", value)
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