Even Odd in Ruby

Published on 28 April 2022 (Updated: 25 September 2022)

Even Odd in Ruby

Welcome to the Even Odd in Ruby page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

# Requirement https://sample-programs.therenegadecoder.com/projects/even-odd/
# Issue 1839

if ARGV.empty?
# if ARGV.length < 1
    puts "Usage: please input a number"
    exit
else
    # if ARGV.empty?
    #     puts "Usage: please input a number"
    # end
    begin
    string1 = ARGV[0]
    num = Integer(string1)
    rescue ArgumentError
    puts "Usage: please input a number"
    exit
    end

    if num % 2 == 0
    	puts "Even"
    else
    	puts "Odd"
    end
end

Even Odd in Ruby was written by:

If you see anything you'd like to change or update, please consider contributing.

Note: The solution shown above is the current solution in the Sample Programs repository as of Nov 04 2019 21:11:52. The solution was first committed on Oct 31 2019 20:23:47. As a result, documentation below may be outdated.

How to Implement the Solution

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How to Run the Solution

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