Get Internal IP Address and write to file

GetInternalIP.rb

#!/usr/bin/ruby
#Retrieve the internal IP address (using IPCONFIG in Windows), display it to the console and write it to a file.
#binding.pry


def get_address
    toFile = ARGV[0] + '\current_ip'

    command = 'ipconfig'
    output = `#{command}`
    lines = output.split("\n")

    ethernetConnection = false
    ip = "<undefined>"

    lines.each {|line|
        ethernetConnection = true if /Ethernet adapter Local Area Connection/ =~ line 

        if ethernetConnection and /IPv4 Address/ =~ line 
            ip = line
            puts line
            break
        end 
    }

    time = Time.new

    File.open(toFile, 'a') do |outfile|
        outfile.puts "-----------------\n"
        outfile.puts "IP Address: #{ip}\n"
        outfile.puts "Retrieved on #{time.day}/#{time.month}/#{time.year} at #{time.hour}:#{time.min}"
    end
end


#Mainline starts here

if ARGV.empty?
    puts "Please enter path where file current_ip.txt will be written."
else
    get_address
end