Use a recursive function to print each argument passed to the function

 

<<doc

Name:Omprakash A Timashetti

Date:23/08/2022

Description:Use a recursive function to print each argument passed to the function

Sample Input1:./recursion.sh How are you? I am fine

Sample Output1:How

               are

               you?

               I

               am

               fine

Sample Input2:./recursion.sh

Sampele Output2:Error : Pass the arguments through command line.

doc

#!/bin/bash

if [ $# -ne 0 ]                         #check for the command line Arguments

then

function display()                      #Function defination  

{

    Array=($@)

    echo $1                            #print first argument in 

    Array=(${Array[@]:1})              #Store it in Array

    if [ $# -eq 0 ]                   #Checking for end of argument

    then 

       return                         #Exit from loop

    fi

    display ${Array[@]}              #function call for recursive operation

}

display $@                           #function call

else

    echo "Error : Pass the arguments through command line."  #Error if no command line arguments are passed

fi