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Diffstat (limited to 'lisp/files.el')
| -rw-r--r-- | lisp/files.el | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lisp/files.el b/lisp/files.el index c98ea0ce7a0..0e14d0027f2 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -936,6 +936,15 @@ Value is a list whose car is the name for the backup file (defun file-nlinks (filename) "Return number of names file FILENAME has." (car (cdr (file-attributes filename)))) + +(defun file-relative-name (filename &optional directory) + "Convert FILENAME to be relative to DIRECTORY (default: default-directory)." + (setq filename (expand-file-name filename) + directory (file-name-as-directory (or (expand-file-name directory) + default-directory))) + (while (not (string-match (concat "^" (regexp-quote directory)) filename)) + (setq directory (file-name-directory (substring directory 0 -1)))) + (substring filename (match-end 0))) (defun save-buffer (&optional args) "Save current buffer in visited file if modified. Versions described below. |