setvariable=valuesetvariable[n] =valueset
Set variable to value, or if multiple values are specified, set the
variable to the list of words in the value list. If an index n
is specified, set the nth word in the variable to value.
(The variable must already contain at least that number of words.)
With no arguments, display the names and values of all set variables.
See also "Predefined Shell Variables" earlier in this section.
%set list=(yes no mabye)Assign a wordlist %set list[3]=maybeAssign an item in existing wordlist %set quote="Make my day"Assign a variable %set x=5 y=10 history=100Assign several variables %set blankAssign a null value to blank