Linux Sign into your lab account Write a bash shell script that does the following: Print...

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Write a bash shell script that does the following:
- Print out a friendly welcome message
- Ask the user for the name of their favorite animal
- Grep that animal from a text file noises.txt
- Tell the user what that animal says (i.e. what noise does it make)
- If the animal does not exist ask the user what noise the animal makes
- Store that new information in noises.txt

Expert Solution

Please find the requested script below. Also including the screenshot of sample output .

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Thanks and Happy learning!

#!/bin/bash
#Above line sets the environment for the script to bash

echo "************** Welcome to the animal sound finder **************"
echo
echo "Enter the name of your favorite animal : "
read animal
if [ ! -z "$animal" -a "$animal" != " " ]
then
    #Check whether the file exists or not
    if [ -f ./noises.txt ]
    then
        grepResult=`grep -i "$animal" ./noises.txt | head -1`
        if [ ! -z "$grepResult" -a "$grepResult" != " " ]
        then
            animalSound=`echo $grepResult | cut -d: -f 2`
        else
            echo "Please enter the sound that $animal makes: "
            read animalSound;
            echo "$animal:$animalSound" >> ./noises.txt
        fi
        echo "$animal makes $animalSound sound."
    else
        echo "Please enter the sound that $animal makes: "
        read animalSound;
        echo "$animal:$animalSound" >> ./noises.txt
        echo "$animal makes $animalSound sound."
    fi
else
    echo "Sorry, You have entered an invalid animal name!"
fi

venereology answered 1 month ago

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