From 55477368f84f76b831d3b714c52784e7bb952021 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= Date: Tue, 1 Feb 2022 21:32:15 +0100 Subject: Move path-append to own module. --- module/hnh/util/path.scm | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 module/hnh/util/path.scm (limited to 'module/hnh/util/path.scm') diff --git a/module/hnh/util/path.scm b/module/hnh/util/path.scm new file mode 100644 index 00000000..b08932f9 --- /dev/null +++ b/module/hnh/util/path.scm @@ -0,0 +1,20 @@ +(define-module (hnh util path) + :use-module (srfi srfi-1) + :use-module (hnh util)) + +;; TODO shouldn't this use `file-name-separator-string'? +(define-public (path-append . strings) + (fold (lambda (s done) + (string-append + done + (if (string-null? s) + (string-append s "/") + (if (char=? #\/ (string-last done)) + (if (char=? #\/ (string-first s)) + (string-drop s 1) s) + (if (char=? #\/ (string-first s)) + s (string-append "/" s)))))) + (let ((s (car strings))) + (if (string-null? s) + "/" s)) + (cdr strings))) -- cgit v1.2.3