diff --git a/sample_files/compare.expected b/sample_files/compare.expected
new file mode 100644
index 000000000..e61b6e2d3
--- /dev/null
+++ b/sample_files/compare.expected
@@ -0,0 +1,77 @@
+==> Building difftastic
+==> Check outputs
+sample_files/before.js sample_files/after.js
+741c57dd76ee21161df8bcf29b46e0d3  -
+
+sample_files/clojure_before.clj sample_files/clojure_after.clj
+5d8238346885f21b1075debaf97b4aa9  -
+
+sample_files/comments_before.rs sample_files/comments_after.rs
+c42c13edc47f4d6a74e3038835d97505  -
+
+sample_files/contiguous_before.js sample_files/contiguous_after.js
+b5e718eb8328f8df8aff0eddf4e46d1a  -
+
+sample_files/css_before.css sample_files/css_after.css
+b7b3727fd3a1241255c9aeb4716b23bc  -
+
+sample_files/elisp_before.el sample_files/elisp_after.el
+e82664a7cdc3110d70c38213eba5aac9  -
+
+sample_files/elisp_contiguous_before.el sample_files/elisp_contiguous_after.el
+292cc6e023865415d79239164bce631a  -
+
+sample_files/hack_before.php sample_files/hack_after.php
+e90425bf97230ad45dbb91ec0f34e84e  -
+
+sample_files/haskell_before.hs sample_files/haskell_after.hs
+ea8536e5b6cc2fb60d79d519358df211  -
+
+sample_files/helpful_before.el sample_files/helpful_after.el
+46fde3e518b9365c6b6a04843b509082  -
+
+sample_files/if_before.py sample_files/if_after.py
+5b53818f229e4232c29466ca82bf402b  -
+
+sample_files/java_before.java sample_files/java_after.java
+4b57e58be24d5ccbc2568810889ced8e  -
+
+sample_files/javascript_before.js sample_files/javascript_after.js
+5ac5d4bcb4750289f28409a7e0671174  -
+
+sample_files/json_before.json sample_files/json_after.json
+e0138d5ed144ccf30e64c6f58c744edd  -
+
+sample_files/load_before.js sample_files/load_after.js
+25a954ed7ead705b0326e51b6cf8ee4e  -
+
+sample_files/ocaml_before.ml sample_files/ocaml_after.ml
+5374cc9d21db1ec56ff87100766a882b  -
+
+sample_files/ruby_before.rb sample_files/ruby_after.rb
+4a9847a91e32ec6afdc2f0b01e28d2d6  -
+
+sample_files/scala_before.scala sample_files/scala_after.scala
+9d22090a6e439d5cd0057ed4d6d2702f  -
+
+sample_files/simple_before.js sample_files/simple_after.js
+71dd2e5c7beece67e5e49b5b1b48832c  -
+
+sample_files/simple_before.txt sample_files/simple_after.txt
+4b653ebe89321835c35722dd065cf6a2  -
+
+sample_files/slider_before.rs sample_files/slider_after.rs
+7bedc399bf8aa11ae19236a1ec854fab  -
+
+sample_files/slow_before.rs sample_files/slow_after.rs
+1c7ebf9ad15ccd1614b559d03ab1f90b  -
+
+sample_files/small_before.js sample_files/small_after.js
+eb0d76aeb39e33b5ef539812d80c78d7  -
+
+sample_files/syntax_error_before.js sample_files/syntax_error_after.js
+1a0718b1e8f62980bda271beda04835b  -
+
+sample_files/text_before.txt sample_files/text_after.txt
+f61b57cb275332d01b9539efa88aa2f6  -
+