sstephenson · tayler1 · Jul 27, 2014
diff --git a/README.md b/README.md
@@ -15,6 +15,13 @@ Dimensions.width("upload_bird.jpg")       # => 300
 Dimensions.height("upload_bird.jpg")      # => 225
 ```
 
+Use the `type` method to get image type:
+
+```ruby
+Dimensions.type("upload_bird.jpg")        # => :jpeg
+Dimensions.type("wrong_ext.txt")          # => :png
+```
+
 Many cameras and smartphones set the EXIF orientation attribute for
 photos taken in portrait or landscape mode. The Dimensions library
 reads this attribute and swaps the `width` and `height` values

diff --git a/lib/dimensions.rb b/lib/dimensions.rb
@@ -33,6 +33,11 @@ def height(path)
       io_for(path).height
     end
 
+    # Returns the type of the image at the given path.
+    def type(path)
+      io_for(path).type
+    end
+
     # Returns the rotation angle of the JPEG image at the given
     # path. If the JPEG is rotated 90 or 270 degrees (as is often the
     # case with photos from smartphones, for example) its width and

diff --git a/lib/dimensions/io.rb b/lib/dimensions/io.rb
@@ -31,6 +31,11 @@ def angle
       @reader.angle
     end
 
+    def type
+      peek
+      @reader.type
+    end
+
     private
       def peek
         unless no_peeking?