Adding missing files to branch

.rubocop.yml

@@ -0,0 +1,5 @@
+inherit_from: ../../../.rubocop.yml
+
+AllCops:
+  NewCops: enable 
+  TargetRubyVersion: 3.x

file_manager.rb

@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+# Module for file manipulation, defined as module for expansion
+module FileManager
+  require 'tempfile'
+  require 'fileutils'
+  require 'find'
+  # Class archiver for files management
+  class Archiver
+    attr_accessor :file, :modes
+
+    @modes = %w[reader writer both write_start]
+    # p "creating methods #{@modes}"
+
+    @modes.each do |mode|
+      define_method("open_file_as_#{mode}") do |file|
+        @file = File.open(file, 'r') if mode.to_sym == :reader
+        @file = File.open(file, 'w') if mode.to_sym == :writer
+        @file = File.open(file, 'r+') if mode.to_sym == :both
+      end
+    end
+
+    def write_file(data: nil, append: true)
+      append ? File.write(@file, data, mode: 'a') : File.write(@file, data)
+    end
+
+    def read_file(lines: false)
+      lines ? file.read : file.readlines.map(&:chomp)
+    end
+
+    def close
+      @file.close
+    end
+  end
+end
+
+# Create new instance
+file = FileManager::Archiver.new
+
+# Testing append default 
+file.open_file_as_writer('test.txt')
+file.write_file(data: 'testing archiver class')
+file.close
+
+file.open_file_as_writer('test.txt')
+file.write_file(data: 'testing archiver class line 2')
+file.close
+
+file.open_file_as_reader('test.txt')
+p file.read_file(lines: false)
+file.close
+
+file.open_file_as_writer('test.txt')
+file.write_file(data: 'Removed everything!', append: false)
+file.close
+
+file.open_file_as_reader('test.txt')
+puts file.read_file(lines: true)
+file.close

test.txt

@@ -0,0 +1 @@
+Removed everything!