Function: image-dired-get-exif-data

image-dired-get-exif-data is a byte-compiled function defined in image-dired.el.gz.

This function is obsolete since 29.1; use exif-parse-file and exif-field instead.

Signature

(image-dired-get-exif-data FILE TAG-NAME)

Documentation

From FILE, return EXIF tag TAG-NAME.

Probably introduced at or before Emacs version 29.1.

Source Code

;; Defined in /usr/src/emacs/lisp/image/image-dired.el.gz
(defun image-dired-get-exif-data (file tag-name)
  "From FILE, return EXIF tag TAG-NAME."
  (declare (obsolete "use `exif-parse-file' and `exif-field' instead."  "29.1"))
  (image-dired--check-executable-exists
   'image-dired-cmd-read-exif-data-program)
  (let ((buf (get-buffer-create "*image-dired-get-exif-data*"))
        (spec (list (cons ?f file) (cons ?t tag-name)))
        tag-value)
    (with-current-buffer buf
      (delete-region (point-min) (point-max))
      (if (not (eq (apply #'call-process image-dired-cmd-read-exif-data-program
                          nil t nil
                          (mapcar
                           (lambda (arg) (format-spec arg spec))
                           image-dired-cmd-read-exif-data-options))
                   0))
          (error "Could not get EXIF tag")
        (goto-char (point-min))
        ;; Clean buffer from newlines and carriage returns before
        ;; getting final info
        (while (search-forward-regexp "[\n\r]" nil t)
          (replace-match "" nil t))
        (setq tag-value (buffer-substring (point-min) (point-max)))))
    tag-value))