Reference no: EM1379997
In this script, change pseudocode that uses a decision structure into a shell script. The script then will accept 3-grades, compute an average, and then show a letter grade based upon the average. You will need to use either the if statement or the case statement to implement this script.
1. Log in to the Linux system as a user, and then open a Terminal
emulation window.
2. Create a shell script named Project6-4 in your $HOME/bin directory.
3. Convert the following pseudocode into code for the script:
Read in three grades from the keyboard
Average the grades
Display the appropriate letter grade for the number grade using this scale:
90 to 100: Display a letter grade of "A"
80 to 89: Display a letter grade of "B"
70 to 79: Display a letter grade of "C"
65 to 69: Display a letter grade of "D"
0 to 64: Display a letter grade of "F"
Insert appropriate comments
4. Save the script, quit the editor, and then make the script executable.
5. Execute the script and then input 100, 90, and 100 when prompted for each grade.
6. Record the output.
7. Execute the script again.This time input 99, 68, and 70 when prompted for
each grade.
8. Record the output.
9. Execute the script one last time. Input 80, 96, and 72 when prompted for
each grade.
10. Record the output.
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