First Unix Shell function

The first Unix Shell function has a beginning for everything. There is a saying that it is difficult to start with everything. No matter how the road goes, take every step at your feet. Today, I got started with Unix shell functions and wrote a hello function, as shown below: [plain] www.2cto.com pg fun_hello.sh #! /Bin/ksh hello () {echo "Hello, this is my first Shell function! "Echo" Today is 'date + % Y-% m-% d \ % H: % S: % M \ % a' "} # Call hello function hello # EOF execution Script: www.2cto.com [plain] sh fun_hello.sh Hello, this is my first Shell function! Today is 2013-02-01 15:48:25 Friday -- the end --