From 2aeb1d46e8bfa2c976c9db54033ab6995ad6c5b4 Mon Sep 17 00:00:00 2001 From: Colin Okay Date: Wed, 8 Jul 2020 20:42:34 -0500 Subject: another example --- examples.lisp | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'examples.lisp') diff --git a/examples.lisp b/examples.lisp index 83ba5c8..6d2f570 100644 --- a/examples.lisp +++ b/examples.lisp @@ -3,7 +3,8 @@ (:export #:perms #:all-primes - #:fibs)) + #:fibs + #:a-kind-of-grep)) (in-package :gtwiwtg.examples) @@ -109,3 +110,13 @@ vector VEC, one at a time." ;; subperms)))) ;; ;; which looks a little nicer but is less kind to the heap and to GC. + +;;; A kind of Grep ;;; + +(defmacro a-kind-of-grep (match-var key file &rest body) + `(for ,match-var (filter! (lambda (line) (search ,key line)) + (file-lines ,file)) + ,@body)) + + +;; find all export expressions in my bashrc file -- cgit v1.2.3