diff --git a/src/hatis/utils.lisp b/src/hatis/utils.lisp
new file mode 100644
index 0000000..1e92078
--- /dev/null
+++ b/src/hatis/utils.lisp
@@ -0,0 +1,15 @@
+(defpackage :xyz.hatis.utils
+ (:use :cl)
+ (:export :_->- :wrap :force-output! :format!))
+
+(in-package :xyz.hatis.utils)
+
+(defun _->- (s) (substitute #\- #\_ s))
+
+(defun wrap (wrapper proc &rest args)
+ (apply wrapper args) (apply proc args) (apply wrapper args))
+
+(defun force-output! (&rest args) (finish-output nil))
+
+(defun format! (&rest args)
+ (apply #'wrap #'force-output! #'format args))