Count Letters in a String Using Ruby

Here is a simple program to ask the user to give a string and then the program will ask the user what letter to be counted in the given string. The program will count the number of occurrence of the given string using Ruby programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

count_letter.rb

# count_letter.rb

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

# Date     : July 9, 2019   Tuesday  12:49 PM

# 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

loop do

  print "\n\n"

  print "\t===== Count Letters in a String ====="

  print "\n\n"

  print "\tGive a String : "

  str_val = gets.chomp

  print "\n"

  print "\tWhat letter to be count ? : "

  letter_val = gets.chomp

    display = str_val.downcase.count(letter_val)

    display_str = str_val.upcase

    display_letter = letter_val.upcase

    print "\n"

    print "\tThe given string is #{display_str}."

    print "\n\n"

    print "\tThe number of occurrence of the letter" 

    print " #{display_letter} is #{display}."

    puts "\n\n";

    print "\tDo you want to continue? (y/n) : "

    answer = gets.chomp.downcase

    if answer == "n"

   print "\n\n";

      print "\tEnd of Program";

      print "\n\n";

   break

    end

  end

Greet the Visitor Using Ruby

Here is a sample program to greet the visitor by asking the name of the visitor using Ruby programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

greet_visitor.rb

# greet_visitor.rb

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

# Date     : July 9, 2019   Tuesday  12:49 PM

# 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

# input variables

print "\n\n"

print "\t===== Greet the Visitor  ====="

print "\n\n"

print "\tWhat is your name? "

name = gets.chomp

display_name = name.split(/\.?\s+/, 3)

print "\n"

print "\tHow  old are you? "

years = gets.chop.to_s

print "\n"

print "\tHello #{display_name[0].capitalize} #{display_name[1].capitalize}" 

print " #{display_name[2].capitalize} at #{years} years old."

print "\n\n"

print "\tEnd of Program"

print "\n\n"

COUNT VOWELS AND CONSONANTS IN A STRING

Write a program to ask the user to give a string and then the program will count the number of vowels and consonants and display the results on the screen.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

vowels_consonants.rb

# vowels_consonants.rb

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

# Date     : July 9, 2019   Tuesday  12:07 PM

# 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

def count_consonants(string)

    consonants = 0

    counter = 0

    while counter < string.length do

      if (string[counter]=="b" || 

         string[counter]=="c" || 

         string[counter]=="d" ||

         string[counter]=="f" ||

         string[counter]=="g" ||

         string[counter]=="h" || 

         string[counter]=="j" || 

         string[counter]=="k" ||

         string[counter]=="l" ||

         string[counter]=="m" ||

         string[counter]=="n" ||

         string[counter]=="p" || 

         string[counter]=="q" || 

         string[counter]=="r" ||

         string[counter]=="s" ||

         string[counter]=="t" ||

         string[counter]=="v" ||

         string[counter]=="w" || 

         string[counter]=="x" || 

         string[counter]=="y" ||

         string[counter]=="z" )

         consonants += 1

      end

      counter += 1

    end

    return consonants

end

string_input =""

answer = ""

until answer.downcase == "n" do 

 print "\n\n"

 print "\t===== COUNT VOWELS AND CONSONANTS IN A STRING  ====="

 print "\n\n"

 print "\tGive a String : "

 string_input = gets.chop

 display_vowels =     count_vowels(string_input.downcase)

 display_consonants = count_consonants(string_input.downcase)

print "\n\n"

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

print "\n\n"

print "\tThe number of consonants is #{display_consonants}."

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"

REMOVE CONSONANTS IN RUBY

Write a program to ask the user to give a string and then the program will remove the consonants in the given string by the user using Ruby programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

remove_consonants.rb

# remove_consonants.rb

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

# Date     : July 9, 2019   Tuesday  11:52 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 remove_consonants(string)

    i = 0

    dv_string = []

    while i < string.length

        dv_string.push(string[i])

        if  (string[i]=="b" || 

            string[i]=="c" || 

            string[i]=="d" ||

            string[i]=="f" ||

            string[i]=="g" ||

            string[i]=="h" || 

            string[i]=="j" || 

            string[i]=="k" ||

            string[i]=="l" ||

            string[i]=="m" ||

            string[i]=="n" ||

            string[i]=="p" || 

            string[i]=="q" || 

            string[i]=="r" ||

            string[i]=="s" ||

            string[i]=="t" ||

            string[i]=="v" ||

            string[i]=="w" || 

            string[i]=="x" || 

            string[i]=="y" ||

            string[i]=="z" )

                   

            dv_string.delete(string[i])

        end

        i += 1

    end

    return dv_string.join

end

string_input =""

answer = ""

until answer.downcase == "n" do 

 print "\n\n"

 print "\t===== REMOVE CONSONANTS IN RUBY ====="

 print "\n\n"

 print "\tGive a String : "

 string_input = gets.chop

 display_result = remove_consonants(string_input.downcase)

print "\n\n"

print "\tThe string without consonants : #{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"

REMOVE VOWELS IN RUBY

Write a program that will ask the user to give a string and then the program will remove the vowels in the given string and display the results on the screen.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

remove_vowels.rb

# remove_vowels.rb

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

# Date     : July 9, 2019   Tuesday  10:10 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 remove_vowels(string)

    i = 0

    dv_string = []

    while i < string.length

        dv_string.push(string[i])

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

            dv_string.delete(string[i])

        end

        i += 1

    end

    return dv_string.join

end

string_input =""

answer = ""

until answer.downcase == "n" do 

 print "\n\n"

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

 print "\n\n"

 print "\tGive a String : "

 string_input = gets.chop

 display_result = remove_vowels(string_input.downcase)

print "\n\n"

print "\tThe string without vowels : #{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"

COUNT CONSONANTS IN RUBY

Write a program that will ask the user to give a string and then the program will count the number of consonants in the given string and display the results on the screens using Ruby programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Listing 

Program Listing

consonants.rb

# consonants.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_consonants(string)

    consonants = 0

    counter = 0

    while counter < string.length do

      if string[counter]=="b" || 

         string[counter]=="c" || 

         string[counter]=="d" ||

         string[counter]=="f" ||

         string[counter]=="g" ||

         string[counter]=="h" || 

         string[counter]=="j" || 

         string[counter]=="k" ||

         string[counter]=="l" ||

         string[counter]=="m" ||

         string[counter]=="n" ||

         string[counter]=="p" || 

         string[counter]=="q" || 

         string[counter]=="r" ||

         string[counter]=="s" ||

         string[counter]=="t" ||

         string[counter]=="v" ||

         string[counter]=="w" || 

         string[counter]=="x" || 

         string[counter]=="y" ||

         string[counter]=="z"

         consonants += 1

      end

      counter += 1

    end

    return consonants

end

string_input =""

answer = ""

until answer.downcase == "n" do 

 print "\n\n"

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

 print "\n\n"

 print "\tGive a String : "

 string_input = gets.chop

 display_result =count_consonants(string_input.downcase)

print "\n\n"

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

print "\n\n"

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

 answer= gets.chop

end  

 print "\n"

 print "\tEnd of Program"

 print "\n\n"

Split Names in Ruby

Write a program that will ask the user their full name and then the program will split 
the full name into first name, middle name, and last name using Ruby programming language.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

split.rb

# split.rb

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

# Date     : July 9, 2019   Tuesday  8:38 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

string_input =""

answer = ""

until answer.downcase == "n" do 

 print "\n\n"

 print "\t===== SPLIT NAMES ====="

 print "\n\n"

 print "\tWhat is your full name? "

 full_name = gets.chomp

 name = full_name.split(/\.?\s+/, 3)

 print "\n\n"

 puts "\tYour first name is #{name.first.upcase}."

 puts "\tYour middle initial is #{name[1].upcase}."

 puts "\tYour last name is #{name.last.upcase}."

 print "\n"

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

 answer= gets.chop

end  

 print "\n\n"

 print "\tEnd of Program"

 print "\n\n"