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!/bin/bash
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# =============================================================
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# Final project menu option
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# VG
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# 12/5/2023
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# Menu is created for user to select an option from 1-6
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# ./finalproject.sh
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# ============================================================
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while true; do
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    echo '               Menu'
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    echo '1. Display current date and time' 
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    echo '2. Display the first letter of your first name'
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    echo '3. Display the line from the 'Twelve Days of Christmas' song'
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    echo '4. Sum of the two integers in your age'
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    echo '5. Random'
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    echo '6. Exit'
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    read -p 'Pick a selection from the menu (1-6): ' choice
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    if [ $choice -eq 6 ];
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    then break
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   elif [ $choice -eq 1 ]; then
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   datenow()
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    {
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    echo "Today's date and time are: "
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    date
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    }
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    datenow
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    elif [ $choice -eq 3 ]; then
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   read -p 'Pick number 1-12: ' choice2    
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     if [ $choice2 -eq 1 ]; then
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     echo 'A partidge in a pear tree' 
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     elif [ $choice2 -eq 2 ]; then
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     echo 'two turtle doves'
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     elif [ $choice2 -eq 3 ]; then
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     echo 'Three French hens'   
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      elif [ $choice2 -eq 4 ]; then
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     echo 'Four calling birds'   
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     elif [ $choice2 -eq 5 ]; then
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     echo 'Five gold rings'   
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     elif [ $choice2 -eq 6 ]; then
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     echo 'Six geese a-laying'    
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     elif [ $choice2 -eq 7 ]; then
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     echo 'Seven swans a-swimming'    
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     elif [ $choice2 -eq 8 ]; then
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     echo 'Eight maids a-milking'     
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     elif [ $choice2 -eq 9 ]; then
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     echo 'Nine ladies dancing'    
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     elif [ $choice2 -eq 10 ]; then
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      echo 'Ten lords a-leaping'    
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     elif [ $choice2 -eq 11 ]; then
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     echo 'Eleven pipers piping'    
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     elif [ $choice2 -eq 12 ]; then
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     echo 'Twelve drummers drumming'     
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     else 
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     echo 'Invalid number input. Please a number between 1 and 12.'    
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   fi
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   elif [ $choice -eq 4 ]; then
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   read -p 'Sum of your two digits in your age (two digits): ' age
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       if [[ $age =~ ^[0-9][0-9]$ ]]; then
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         digit1=$(echo $age | cut -c 1)
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         digit2=$(echo $age | cut -c 2)
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         sum=$((digit1 + digit2))
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         echo 'The sum of the two numbers in your age is: ' $sum
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    else
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         echo 'Please enter a number that is two digits.'
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fi
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   elif [ $choice -eq 2 ]; then
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   read -p "Enter your first name and the first letter will be returned: " name
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        name=$(echo "$name" | tr -d ' ')  
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    echo "The first letter of your first name is: ${name:0:1}"
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    elif [ $choice -eq 5 ]; then
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        echo "What is your favorite car?" 
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        read -p "Please enter your favorite car: " favCar
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        echo "Very cool, $favCar is a great car."
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    fi
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done
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