Linux in a Nutshell, Third Edition

Name

set

Synopsis

set variable = value

set [option] variable[n]= value

set

Description

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 chapter.

Option

-r

tcsh only. List only read-only variables, or set specified variable to read-only.

Examples

% set list=(yes no maybe)     
                     Assign a wordlist
% set list[3]=maybe           
                     Assign an item in existing wordlist
% set quote="Make my day"      
                     Assign a variable
% set x=5 y=10 history=100    
                     Assign several variables
% set blank                   
                     Assign a null value to blank