Linux Gvim Shell CASE...ESAC statement

#case: ESAC statement: with switch. Case similar, is a multi-branch selection structure
#case语句匹配一个值或一个模式 if the match succeeds in executing the corresponding command, if the match does not execute the * command successfully
#;; Similar to break, the delegate jumps to the end of the entire case statement
#case value in
#模式1)
# Command1
#    ;;
#模式2)
# Command1
#    ;;
#*)
# Command1
#    ;;
#esac
#示例如下:

1 Echo 'Input A number between 1 to 4'2 Echo-E'Your number is:\c'3 Read Anum4  Case$aNuminch5         1)Echo 'You select 1'6         ;;7         2)Echo 'You select 2'8         ;;9         3)Echo 'You select 3'Ten         ;; One         4)Echo 'You Select 4' A         ;; -*)Echo 'You does not select a number between 1 to 4' -         ;; the Esac

#测试输入xxx. sh-f index.html or xxx.sh-d Unix enters x at this point) output

1option="${1}"2  Case${option}inch3-f) file="${2}"4       Echo "File name is $FILE"5       ;;6-D) dir="${2}"7       Echo "Dir name is $DIR"8       ;;9*) Ten       Echo "' basename ${0} ': Usage: [-f file] | [-D directory]"#如果都不是, the xxx is executed.SH# OneExit1# Command to come out of the program with status1 A       ;; - Esac

Linux Gvim Shell CASE...ESAC statement