From 56b943de6e61f41d6ebd2dfa65ff886cdfd83759 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Tue, 12 Nov 2013 22:56:13 +0100
Subject: utils: Add 'string-replace-substring'.

* guix/utils.scm (string-replace-substring): New procedure.  Based on
  code by Mark H. Weaver.
* tests/utils.scm ("string-replace-substring"): New test.
---
 tests/utils.scm | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'tests')

diff --git a/tests/utils.scm b/tests/utils.scm
index 4f6ecc514d..017d9170fa 100644
--- a/tests/utils.scm
+++ b/tests/utils.scm
@@ -82,6 +82,14 @@
         (string-tokenize* "foo!bar!" "!")
         (string-tokenize* "foo+-+bar+-+baz" "+-+")))
 
+(test-equal "string-replace-substring"
+  '("foo BAR! baz"
+    "/gnu/store/chbouib"
+    "")
+  (list (string-replace-substring "foo bar baz" "bar" "BAR!")
+        (string-replace-substring "/nix/store/chbouib" "/nix/" "/gnu/")
+        (string-replace-substring "" "foo" "bar")))
+
 (test-equal "fold2, 1 list"
     (list (reverse (iota 5))
           (map - (reverse (iota 5))))
-- 
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