diff --git a/engine-q/cool_oneliners/file_cat.nu b/engine-q/cool_oneliners/file_cat.nu
new file mode 100644
index 0000000..9f03cd1
--- /dev/null
+++ b/engine-q/cool_oneliners/file_cat.nu
@@ -0,0 +1,10 @@
+# Combine two files into one
+
+def create_files [] {
+  [0,1,2,3] | range 0..3 | save a.json
+  [4,5,6,7] | range 0..3 | save b.json
+}
+
+create_files
+echo (open a.json) (open b.json) | save c.json
+open c.json | flatten