Query symbol.
Type & position: | command, preamble & main part |
Syntax: | !ifset [<text>] |
Description: | With this command you can test if a symbol was set with the
command line option -D or with !set. If
<text> was set UDO will convert all lines bewteen
!ifset and !else or !endif. If
<text> wasn't set UDO will convert all lines between
!else and !endif if !else was used. The
example shows how to test if the symbol "british" was set. !ifset [british] |
Exists since: | Release 5 Patchlevel 10 |
See also: | !ifnset, Query commands |