COUNT VOWELS IN RUBY

Write a program that will ask the user to give a string and then our program will count the number of vowels based on the given string of our user.

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Sample Program Output

Program Listing

vowels.rb

# vowels.rb

# Author   : Jake Rodriguez Pomperada,BSCS,MAED-IT

# Date     : July 9, 2019   Tuesday  8:28 AM

# Address  : Bacolod City, Negros Occidental

# Tools    : Eclipse IDE and Ruby Version 2.6.3

# Location : Bacolod City, Negros Occidental  

# Website  : http://www.jakerpomperada.com

# Emails   : jakerpomperada@gmail.com and jakerpomperada@yahoo.com

def count_vowels(string)

    vowels = 0

    counter = 0

    while counter < string.length do

      if string[counter]=="a" || string[counter]=="e" || string[counter]=="i" || string[counter]=="o" || string[counter]=="u"

        vowels += 1

      end

      counter += 1

    end

    return vowels

end

string_input =""

answer = ""

until answer.downcase == "n" do 

 print "\n\n"

 print "\t===== COUNT VOWELS IN RUBY ====="

 print "\n\n"

 print "\tCreated by Mr. Jake R. Pomperada"

 print "\n\n"

 print "\tGive a String : "

 string_input = gets.chop

 display_result =count_vowels(string_input.downcase)

print "\n\n"

print "\tThe number of vowels is #{display_result}."

print "\n\n"

 print "\tDo you want to continue Y/N ? : "

 answer= gets.chop

end  

 print "\n\n"

    print "\tEnd of Program"

    print "\n\n"