2012

Table Of Contents
Quick Reference
System Variables
MENUECHO
Sets menu echo and prompt control bits.
nth
Evaluates and returns the argument selected by which.
$(nth, which, arg0 [, arg1,…, arg7])
If which is 0, nth returns arg0, and so on. Note the difference between $(nth)
and $(index); $(nth)returns one of a series of arguments to the function,
while $(index) extracts a value from a comma-delimited string passed as a
single argument. Arguments not selected by which are not evaluated.
Quick Reference
System Variables
MENUECHO
Sets menu echo and prompt control bits.
or
Returns the bitwise logical OR of the integers val1 through val9.
$(or, val1 [, val2,…, val9])
Quick Reference
System Variables
MENUECHO
Sets menu echo and prompt control bits.
406 | Chapter 5 DIESEL