Re: Setting value 1 when matching two strings

[Dr Rainer Woitok]

Heime,

On Sunday, 2022-10-16 15:51:44 +0000, you wrote:

> This code sets "isel" to value "1" if "actm" matches "vert". I want to extend 
> this so that value "1"
> is also set when "actm" matches "horz".
> 
> (let ( (isel (if (equal "vert" actm) 1 -1)) )
> 
> Thus when "actm" matches "vert" or "horz", then "isel" has value "1". 
> Otherwise "isel" has value "-1".

In case you don't  really need "vert"  as a string but could as well use
the symbol 'vert,  you could use  "eq" rather than "equal".   And if you
want two or more alternatives, you could use

   (member actm '("vert" "horz"))

or

   (memq actm '(vert horz))

Sincerely,
  Rainer