Ivan Van Laningham wrote:
>   let mylines="$VIM_LINES"+0
>   let mycolumns="$VIM_COLUMNS"+0
>   set lines=mylines
>   set columns=mycolumns

I think we are assuming that you have defined an environment variable VIM_LINES 
(and VIM_COLUMNS) which you could see in Vim with command:

  :echo $VIM_LINES

The "set" command takes text, so you need to build the command line:

  " The '+0' is only needed if you need 'mylines' as a number.
  :let mylines=$VIM_LINES+0
  :execute 'set lines='.mylines

John


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