[Rails] Re: Re: checking for nil

Rob Biedenharn wrote: > On Feb 8, 2010, at 2:13 PM, Aldric Giacomoni wrote: >>> @request.env['HTTP_USER_AGENT'].downcase.index('msie 7.0')!=nil %> >>> nil:NilClass) >>> >>> how can i edit this code so that it can handle an empty user agent >>> string? >>> >> >> Ah, I see. You want 'nil' .. So you s

[Rails] checking for nil

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('ms