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# start prompt should prompt user to enter what they want to convert from and to
# prompt user for value to be converted
# display converted value
# display start prompt

@absolute_zero_in_celsius = -273.15
@absolute_zero_in_fahrenheit = -459.67

def quit
  puts

hpjaj

puts "Enter a year and I will tell you TRUE or FALSE, if that year is or is not a leap year."
print "> "

@year_choice = gets.chomp.to_i
  
leap_year_calculator = case  
       when @year_choice % 400 == 0 then true  
       when @year_choice % 100 == 0 then false  
       else @year_choice % 4   == 0  
       end  

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s = "Welcome to the forum.\nHere you can learn Ruby.\nAlong with other members.\n"

def string_processor(non_split_string)
  line_number = 0
  split_into_sentences = non_split_string.split(/\n/)
  split_into_sentences.each do |sentence|
    sentence.prepend("Line " + (line_number += 1).to_s + ": " )
  end
end

hpjaj

def start_program
  puts "Soooo, what's new, sonny boy?"
  gets_grandsons_input
end

def gets_grandsons_input
  print "> "
  @grandson_choice = gets.chomp 
  determines_if_grandma_heard
end

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(1..100).each do |num|
  if num % 3 == 0 && num % 5 == 0
    puts "FizzBuzz" 
  elsif num % 3 == 0
    puts "Fizz"
  elsif num % 5 == 0
    puts "Buzz"
  else
    puts num
  end

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def method
  a = 50
  puts a
end
 
a = 10
method
puts a
 
=begin

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def find_and_replace_files_existing_string_with_new_string(filename, old_string, new_string)
  original_file_content = File.read("#{filename}")
  new_file_content = original_file_content.gsub(old_string, new_string)
  File.write("#{filename}", new_file_content)
end

=begin
Here is the existing sample file entitled 'plain_text.txt':

text text text text text

hpjaj

# Returns the path to the current working directory, 
# in the form of a string
Dir.getwd


# Creates a new working directory entitled 'tmp' within 
# the current directory
Dir.mkdir("tmp")

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def find_and_replace(content, old_string, new_string)
  @content_to_be_reset = content
  if File.file?("#{content}")
    @original_content = File.read("#{content}")
    new_file_content = @original_content.gsub(old_string, new_string)
    File.write("#{content}", new_file_content)
  else  
    @original_content = content
    new_file_content = @original_content.gsub(old_string, new_string) 
    # gsub is better for testing purposes

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s = 'key=value'
# arr = s.split("=")
s1, s2 = s.split("=")[0], s.split("=")[1]
#s1, s2 = arr[0], arr[1]

puts s1   #=> key
puts s2   #=> value