Write script called say_hello, which will print greetings based on time

 



<<doc

Name : Omprakash A Timashetti

Date:24/08/2022

Description:Write script called say_hello, which will print greetings based on time


Sample Execution:

1. When we start shell (whenever you opening new tab or terminal)

Good Morning user, Have nice day!

This is Thursday 08 in June of 2017 (10:44:10 AM)

doc


#Write script called say_hello, which will print greetings based on time


#!/bin/bash

Hour=`date | cut -d " " -f4 | cut -d ":" -f1`      #Get Hour

Day=`date | cut -d " " -f1`                        #To get only Day

Date=`date | cut -d " " -f3`                      #To get Date

Month=`date | cut -d " " -f2`                     #To get Month

Year=`date | cut -d " " -f6`                      #To Get Year

FullHour=`date | cut -d " " -f4`                  #To get fulltime  

Meridian=`date +%p`                               #To get AM/PM

if [ $Hour -gt 5 -a $Hour -le 12 ]

then                                            #if Hour is between 5 an 12 print Good Morning

    Greet=`echo "Good Morning"`               

elif [ $Hour -gt 12 -a $Hour -le 14 ]           #if Hour is between 12 and 14 print Good noon

then

   Greet=`echo "Good Noon"`

elif [ $Hour -gt 14 -a $Hour -le 17 ]           #If Hour is in between 14 and 17 print Good Afternoon

then

    Greet=`echo "Good Afternoon"`

elif [ $Hour -gt 17 -a $Hour -le 21 ]           #If Hour is between 17 and 21 print Good Evening 

then

   Greet=`echo "Good Evening"`                  

else

    Greet=`echo  "Good night"`              #Else print Good Night

fi                                          #Greeting Message 

echo -e "$Greet $(whoami),have a nice day! \nThis is $Day $Date in $Month of $Year ($FullHour)$Meridian "



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