First pass at serializing records from -ltnp output

ltnp/ltnp_example.txt

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+Active Internet connections (only servers)
+Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
+tcp        0      0 127.0.0.1:8081          0.0.0.0:*               LISTEN      166475/polymer      
+tcp        0      0 0.0.0.0:57621           0.0.0.0:*               LISTEN      163077/spotify --fo 
+tcp        0      0 192.168.122.1:53        0.0.0.0:*               LISTEN      1286/dnsmasq        
+tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      35841/sshd          
+tcp        0      0 0.0.0.0:53323           0.0.0.0:*               LISTEN      163077/spotify --fo 
+tcp6       0      0 :::22                   :::*                    LISTEN      35841/sshd          

ltnp/ltnp_operator.cr

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+require "./ltnp_record"
+
+class LtnpOperator
+  def initialize(_cmd_output : String)
+	@cmd_output = _cmd_output
+	records = @cmd_output.each_line
+	records = records.each.select(/^tcp/)
+	@ltnp_records = Array(LtnpRecord).new
+	records.each { |s| @ltnp_records << LtnpRecord.new s }
+  end
+
+  def say_hi
+	puts @cmd_output
+	puts @ltnp_records.to_s
+  end
+end

ltnp/ltnp_record.cr

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+require "../modules/record_helpers"
+
+class LtnpRecord
+  def initialize(record : String)
+	@str_arr = RecordHelpers.clean_record(record)
+	
+  end
+end

main.cr

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+require "option_parser"
+require "./ltnp/ltnp_operator"
+require "./modules/netstat_runner"
+
+OptionParser.parse do |parser|
+  parser.banner = "Welcome to eznetstat!"
+
+  parser.on "-v", "--version", "Show version" do
+	puts "0.1"
+	exit
+  end
+  
+  parser.on "-h", "--help", "Show help" do
+	puts parser
+	exit
+  end
+
+  parser.on "-k", "--kill-port", "Kill process on port" do
+	output = NetstatRunner.run_ltnp 
+	ltnp_parser = LtnpOperator.new output
+	ltnp_parser.say_hi
+	exit
+  end
+end

modules/netstat_runner.cr

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+module NetstatRunner
+  def self.run_ltnp() 
+	io = IO::Memory.new
+	Process.run("netstat -ltnp", shell: true, output: io)
+	io.to_s
+  end
+end

modules/record_helpers.cr

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+module RecordHelpers
+  def self.clean_record(record : String) : Array(String)
+	tokenized_record = record.split(" ")
+	tokenized_record = tokenized_record.reject { |s| s == "" }
+	tokenized_record
+  end
+end