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Diffstat (limited to '')
-rw-r--r-- | module/hnh/util/path.scm | 20 |
1 files changed, 20 insertions, 0 deletions
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))) |