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Diffstat (limited to '')
| -rw-r--r-- | module/hnh/util/path.scm | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/module/hnh/util/path.scm b/module/hnh/util/path.scm index 41b2e1fc..49338d01 100644 --- a/module/hnh/util/path.scm +++ b/module/hnh/util/path.scm @@ -20,3 +20,24 @@ (cdr strings))) (define-public (path-join lst) (apply path-append lst)) + +;; @example +;; (path-split "usr/lib/test") +;; ⇒ ("usr" "lib" "test") +;; (path-split "/usr/lib/test") +;; ⇒ ("" "usr" "lib" "test") +;; (path-split "//usr////lib/test") +;; ⇒ ("" "usr" "lib" "test") +;; @end example +(define-public (path-split path) + (let* ((head tail + (car+cdr + (reverse + (map reverse-list->string + (fold (lambda (c done) + (if (file-name-separator? c) + (cons '() done) + (cons (cons c (car done)) (cdr done)))) + '(()) + (string->list path))))))) + (cons head (remove string-null? tail)))) |