Running CRTSTY from your LOGIN script - larsbrinkhoff/its-manual GitHub Wiki

Note that $ means altmode, i.e. escape.

:ddtsym tctyp/
:if n $q-%tnsfw
$(
   :crtsty vt100
$)

:$ rest of your login script goes here $

Explanation:

• :ddtsym tctyp/ check the value at tctyp in DDT itself.
• :if n checks the following value and executes the next command if it's not 0.
• $( and $) brackets the body of the :if
• :$ starts a "comment", or text that is not executed by DDT, ended by a $