Script to write a program

Ruby program

1) Write a program to Read line from text and sort with number of lines


#sample.txt

"Its great"
"How are you"
"I am fine thank you"
"Hi Ruby"


Eg: 

# Input
$ ruby my-program.rb sample.txt 3

# Output

"I am fine thank you"
"How are you"
"Its great"

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# 2) Reverse string without using ruby methods. 
  def reverse(string)
    # your code here
  end
 
 # Input 
  reverse("Steve Jobs")

 # output
  "sboJ evetS"

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# 3) Concat a text with class object
full_name = Concat.new("Steve", "jobs")
puts  full_name
 
# Result 
"Steve jobs"
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# 4) Write a program to return all(1..100) values that are divisible by 3 and 7

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