diff --git a/test.nu b/test.nu
new file mode 100755
index 0000000..a5ee4cd
--- /dev/null
+++ b/test.nu
@@ -0,0 +1,3 @@
+#!/usr/bin/env nu
+cmake --build build
+ls testing/tests -s | get name | each {./util.nu $in} | to text
diff --git a/util.nu b/util.nu
new file mode 100755
index 0000000..f91344d
--- /dev/null
+++ b/util.nu
@@ -0,0 +1,20 @@
+#!/usr/bin/env nu
+
+# Usage: ./util.nu 0-go.txt
+
+def main [testfile: string] {
+    let test_path = $"testing/tests/($testfile)"
+    let expected_path = $"testing/expected/($testfile)"
+    let exec = "./build/ps1"
+
+    # Run program and capture output
+    let actual = (open $test_path | ^$exec | str trim)
+    let expected = (open $expected_path | str trim)
+
+    # Compare outputs
+    if $actual == $expected {
+        print $"✓ ($testfile) passed"
+    } else {
+        print $"✗ ($testfile) failed"
+    }
+}