Functions in bash

• You will learn that functions are exceptionally useful, and it's good to see them in bash.

• Pages 927 - 935 in Quigley

• A function is a group of regular shell-script statements is a self-contained package.

• You define a function as:

function somename ()

{

statement

statement

…

}

• And you call it by using the name as if it were a normal command.