Thanks Rob. The send syntax worked perfectly! In this case I don't think news.update_attributes(fields) will work, because fields hash values conflicts with my validations, but It helped me to think a bit differently in general.
Elliott On Jul 22, 6:52 pm, Rob Biedenharn <[email protected]> wrote: > On Jul 22, 2009, at 6:24 PM, elliottg wrote: > > > > > > > Should be simple but I can't eval a string as a method call. I have > > poked around online a fair amount to get to the bottom of this mundane > > task, with no results. > > > I have a hash "fields" that contains a series of AR field names and an > > object called "news" which is an AR object with that has the field > > names that are coming in from the hash. I just want to assign the hash > > values to the same field value from the news object. > > > I have tried all these variations but with no luck. Mostly just blows > > up with syntax errors. > > > fields.each_pair {|key, value| news.eval("key") = value } > > > fields.each_pair {|key, value| news."#{key}" = value } > > > fields.each_pair {|key, value| "#{news.key}" = value } > > > fields.each_pair {|key, value| "news.#{key} = #{value}" } > > > fields.each_pair {|key, value| news.send key = value } > > > How do I do this? > > > Thanks, Elliott > > news.update_attributes(fields) > > but the syntax you were struggling to find is probably: > > fields.each_pair {|key,value| news.send("#{key}=", value) } > > -Rob > > Rob Biedenharn http://agileconsultingllc.com > [email protected] --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
