diff --git a/PurspgppExample.purs b/PurspgppExample.purs
new file mode 100644
index 0000000..3e9f600
--- /dev/null
+++ b/PurspgppExample.purs
@@ -0,0 +1,11 @@
+module PurspgppExample where
+
+f :: Query (String × Unit) (UUID × String × Unit)
+f = [query|
+    SELECT id, name
+    FROM files
+    WHERE author_id = $1
+|]
+
+g :: Query Unit (Boolean × Unit)
+g = [query|SELECT pg_try_advisory_lock(3735928559)|]
diff --git a/purspgpp b/purspgpp
index 2897782..780242a 100644
--- a/purspgpp
+++ b/purspgpp
@@ -75,21 +75,7 @@ sub process-query($conn, Str:D $source) {
     "(Query \"\"\"$source\"\"\" :: Query ($parameters) ($fields))";
 }
 
-sub MAIN {
+sub MAIN(IO(Cool) $filename) {
     my $conn = libpq::Connection.new("user=postgres password=lol123 dbname=nn");
-
-    print process-module($conn, $=finish);
+    print process-module($conn, $filename.slurp);
 }
-
-=finish
-module M where
-
-f :: Query (String × Unit) (UUID × String × Unit)
-f = [query|
-    SELECT id, name
-    FROM files
-    WHERE author_id = $1
-|]
-
-g :: Query Unit (Boolean × Unit)
-g = [query|SELECT pg_try_advisory_lock(3735928559)|]