MimeTypes appears to work.

ConfigFile.rb

@@ -4,29 +4,32 @@ def initialize(file_string)
 		@lines = file_string
 	end
 
-	def load
-		process_lines(lines)
-	end
+	# maybe it's better to define "load" in subclasses so we can populate the subclass-specific member
+	# def load
+	# 	process_lines()
+	# end
 
 	def process_lines
-	#file_string is a string array, 
+	#file_string is a string array,
 	#extendable_hash is a hash that is created through this method
-		@needed_lines = []
-		lines.each do |line|
-			unless line.length == 0 || line[0] == '#' #filters empty lines and comments
+		needed_lines = []
+		@lines.each do |line|
+			unless line.strip.length == 0 || line[0] == '#' #filters empty lines and comments
 				needed_lines << line
 			end
 		end
 
+		@hash = {}
 		needed_lines.map do |line| #splits every line at empty spaces
-			line.split
+			line = line.split(" ")
+			@hash[line[0]] = line.drop(1) #line.drop(1) returns line without the first (0th) entry
 		end
 
-		@hash = {}
-		needed_lines.map do |line|
-			hash[line[0]] => line.drop(1) #line.drop(1) returns line without the first (0th) entry
-		end
 
-		return hash
+		# needed_lines.map do |line|
+		# 	hash[line[0]] = line.drop(1) #line.drop(1) returns line without the first (0th) entry
+		# end
+
+		return @hash
 	end
-end
+end

ConfigFileDriver.rb

@@ -0,0 +1,21 @@
+# we can use this to test HttpdConfig.rb and MimeTypes.rb
+#require_relative 'HttpdConfig'
+require_relative 'MimeTypes'
+class ConfigFileDriver
+
+    def start
+        lines_from_mime_types = IO.readlines "config/mime.types"
+        lines_from_httpd_config = IO.readlines "config/httpd.config"
+
+        #lines_from_httpd_config.each { |line| puts line }
+
+        # httpd_config = HttpdConfig.new( lines_from_mime_types )
+        # httpd_config.load
+
+        mime_types = MimeTypes.new( lines_from_mime_types )
+        mime_types.load
+        puts mime_types.for("html")
+    end
+
+    ConfigFileDriver.new().start
+end

Headers_Collection.rb

@@ -10,5 +10,6 @@ def add(key, value)
 	def to_s
 		@headers.map do |key, value|
 			"#{key}: #{value}"
+		end
 	end
 end

MimeTypes.rb

@@ -0,0 +1,12 @@
+require_relative 'ConfigFile'
+class MimeTypes < ConfigFile
+
+
+	def load
+		@mime_types = process_lines()
+	end
+
+	def for(extension)
+		@mime_types[extension]
+	end
+end

config/httpd.config

@@ -0,0 +1,2 @@
+DocumentRoot /home/somewhere
+ServerRoot   /home/server