Reading files

exercise15/ex15_sample.txt

+This is stuff I typed into a file.
+It is really cool stuff.
+Lots and lots of fun to have in here.
\ No newline at end of file

exercise15/exercise15.rb

+filename = ARGV.first
+
+txt = open(filename)
+
+puts "Here's your file #{filename}:"
+print txt.read
+
+print "Type the filename again:"
+file_again = $stdin.gets.chomp
+
+txt_again= open(file_again)
+
+print txt_again.read
\ No newline at end of file