BCN2053 Operating System Lab Sheet 6 (RUBY)

mycgpa.rb

#!/bin/ruby

# ==========================================================
# This script requires user to input the name and last
# semester GPA. The output of the script will display your
# current CGPA (Assume that your current CGPA for 2 semester
# is 3.5).
#
# Sample output will be: 
#
#   What is your name?
#   [User input]
#   What is your last semester GPA?
#   [User input]
#   Your CGPA is [Result]
#
# Round your answer in 2 dotted decimal
# ==========================================================

printf("What is your name?\n");
name = gets.chomp;

printf("What is your last semester GPA?\n");
gpa = gets.chomp;

cgpa = 3.5;
cgpa = (gpa.to_f + cgpa.to_f).to_f.fdiv(2.to_f);

printf("Your CGPA is %.2f\n" %cgpa);