From: Bill Clagett <bill@...>
Date: 2002-03-10T07:08:45+09:00
Subject: Re: Setting mutually inclusive vars

I think I'd prefer separating out the mapping bit. Something like:

mapping = [
  ['a', 'somevar1'],
  ['b', 'somevar2']
  #etc.
]
mapping.each do |p, var|
  if param[p].set
    eval("@{v} = 1")
  end
end

bill

"Yohanes Santoso" <ysantoso@jenny-gnome.dyndns.org> wrote in message news:<666A7356D67AD09E.5E1DF2DD91FE416B.68CDC7597CD42040@lp.airnews.net>...
> Hi,
> 
> I was working on a large cgi script. I had to set several variables
> depending on what the user chose. That part ended up looking like
> this:
> 
> somevar1 = 1 if param["a"].set?
> somevar2 = 1 if param["b"].set?
> somevar3 = 1 if param["c"].set?
> ... and so on .. (32 lines in total).
> 
> 1) I was wondering if there are some better way to do this.
> 
> 2) Which do you guys think is more aesthatically pleasing?
> 32 lines of:    if param["a"].set? then somevar=1 end
> or 32 lines of: somevar=1 if param["a"].set?
> 
> YS.
>