2011

Table Of Contents
getvar
Returns the value of the system variable with the given varname.
$(getvar, varname)
Quick Reference
System Variables
MENUECHO
Sets menu echo and prompt control bits.
if
Conditionally evaluates expressions.
$(if, expr, dotrue [, dofalse])
If expr is nonzero, it evaluates and returns dotrue. Otherwise, it evaluates
and returns dofalse. Note that the branch not chosen by expr is not evaluated.
Quick Reference
System Variables
MENUECHO
Sets menu echo and prompt control bits.
index
Returns the specified member of a comma-delimited string.
$(index, which, string)
Assumes that the string argument contains one or more values delimited by
the macro argument separator character, the comma. The which argument
selects one of these values to be extracted, with the first item numbered 0.
This function is most frequently used to extract X, Y, or Z coordinate values
from point coordinates returned by $(getvar).
getvar | 411