Elisp: Get File Info

Get File Info

• file-exists-p

• file-directory-p
• directory-empty-p
• file-symlink-p
• file-regular-p

• file-in-directory-p

• file-readable-p
• file-executable-p
• file-writable-p
• file-accessible-directory-p
• file-modes

File Size, Date, Owner, etc

file-attributes

(file-attributes FILENAME &optional ID-FORMAT)

Return a list of attributes of file FILENAME. e.g.

• file-attribute-type
• file-attribute-link-number
• file-attribute-user-id
• file-attribute-group-id
• file-attribute-access-time
• file-attribute-modification-time
• file-attribute-status-change-time
• file-attribute-size
• file-attribute-modes
• file-attribute-inode-number
• file-attribute-device-number

see emacs lisp manual

;; get file size in bytes
(let ((xfileAttr
       (file-attributes "~/.emacs.d/init.el")))
  (file-attribute-size xfileAttr))
;; sample value
;; 162

Reference

• Files (ELISP Manual)