Directify specs for save-file and cat

lib/pry/code.rb

@@ -36,7 +36,6 @@ class << self
       # @param [Symbol] code_type The type of code the file contains.
       # @return [Code]
       def from_file(fn, code_type=type_from_filename(fn))
-
         if fn == Pry.eval_path
           new(Pry.line_buffer.drop(1), 1, code_type)
         else

lib/pry/pry_instance.rb

@@ -426,6 +426,7 @@ def retrieve_line(eval_string, target)
   # @param [Binding] target The target of the Pry session.
   # @return [Boolean] `true` if `val` is a command, `false` otherwise
   def process_command(val, eval_string = '', target = binding_stack.last)
+    val = val.chomp
     result = commands.process_line(val, {
       :target => target,
       :output => output,

test/helper.rb

@@ -230,6 +230,7 @@ def eval(*strs)
     result = nil
 
     strs.flatten.each do |str|
+      str = "#{str}\n" unless str.end_with?("\n")
       if @pry.process_command(str)
         result = last_command_result_or_output
       else

test/test_default_commands/test_introspection.rb

@@ -268,7 +268,7 @@ def last_exception=(exception)
       end
 
       it "should edit a range of lines if a range is given" do
-        pry_eval "10\n", "11\n", "edit -i 1,2"
+        pry_eval "10", "11", "edit -i 1,2"
         @contents.should == "10\n11\n"
       end