UNIX Assignment I Write a bash script ( without using loop ) that meets the foll

Question

UNIX Assignment I

Write a bash script (without using loop) that meets the following requirements:

Do not use echo also

Name: The name of the script MUST be                                 myls.sh

Location: The location of the script MUST be                                     ~/bin/myls.sh

FUNCTIONALITY:

The script MUST be menu driven

The script MUST present five (5) options of the ls command

The script MUST prompt the user for input to select an option

The script MUST then process the option by executing the ls command with the option

The output of the executed command should display to std out

The script MUST be documented with comment statements

The script MUST use the decision or selection structure to interpret the user selection and gracefully handle an invalid selection.

The script must be tested for all valid and some invalid input

$myls.sh

1)R recursive listing

2)Option……

3)Option……

4)Option……

5)Option……

Enter selection>R

vinotes

Scripts: myscript.sh

……………….

Explanation / Answer

Copy the below lines in a new sh file named myls.sh, and movethe file to ~/bin or whatever location is desired:

#!/bin/bash

printf "%s " "1. R Recursive Listing"

printf "%s " "2. One column output"

printf "%s " "3. Sort by modification time"

printf "%s " "4. Long listing format"

printf "%s " "5. Sort by size"

read -p "Enter choice [ 1 - 5] " choice

case $choice in

1) ls -R ;;

2) ls -1 ;;

3) ls -t ;;

4) ls -l ;;

5) ls -S ;;

*) echo -e "${RED}Invalid Output...${STD}"

esac

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