Ketema Harris wrote:
> HI, I have inherited support on a rails website and I am encountering
> the following problem:
>
> <% if @request.env['HTTP_USER_AGENT'].downcase.index('msie 6.0')!=nil %>
> <%= stylesheet_link_tag 'ie6' %>
> <% elsif
> @request.env['HTTP_USER_AGENT'].downcase.index('msie 7.0')!=nil %>
> <%= stylesheet_link_tag 'ie7' %>
> <% else %>
> <%= stylesheet_link_tag 'moz' %>
> <% end %>
> this little code snippet works except when the user agent string is
> empty in which case i get : (undefined method `downcase' for
> nil:NilClass)
>
> how can i edit this code so that it can handle an empty user agent
> string?
>
> thanks
Introduce a call to nil? . No problem.
And for goodness' sakes, get this code out of the view file. Logic
doesn't belong there.
Best,
--
Marnen Laibow-Koser
http://www.marnen.org
[email protected]
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