Shell script: Case

Case ... Esac is similar to the switch ... case statement in other languages, and is a multi-branch selection structure.

Syntax for Case statements

 Case inch mode 1)    Command1    command2    command3    ; Mode 2)    Command1    command2    command3    ;; *)    Command1    command2    command3    ;; Esac

The value must be followed by the keyword in, and each pattern must end with a closing parenthesis. among them;; Similar to break in other languages

Here is an example of a case

#!/bin/bash
Echo 'Input A number between 1 to 4'Echo-E'Your number is:\c'Read Anum Case$aNuminch    1)Echo 'You select 1'    ;; 2)Echo 'You select 2'    ;; 3)Echo 'You select 3'    ;; 4)Echo 'You Select 4'    ;; *)Echo 'You does not select a number between 1 to 4'    ;;Esac

Shell script: Case