emacs - add download function

[dotfiles.git] / emacs.d / config.org

diff --git a/emacs.d/config.org b/emacs.d/config.org
index df43076..8bb6d51 100644 (file)
--- a/emacs.d/config.org
+++ b/emacs.d/config.org
@@ -1471,6 +1471,28 @@ brew install the-silver-searcher
   (add-hook 'text-mode-hook 'table-recognize)
 #+END_SRC
 
+** url-download
+Refer [[http://stackoverflow.com/questions/4448055/download-a-file-with-emacs-lisp][download-a-file-with-emacs-lisp]]
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+  (defun sd/download-file (&optional url download-dir download-name)
+    (interactive)
+    (let ((url (or url
+                   (read-string "Enter download URL: ")))
+          (download-dir (or (read-string "Save to (~/Downloads): ") "~/Downloads")))
+      (let ((download-buffer (url-retrieve-synchronously url)))
+        (save-excursion
+          (set-buffer download-buffer)
+          ;; we may have to trim the http response
+          (goto-char (point-min))
+          (re-search-forward "^$" nil 'move)
+          (forward-char)
+          (delete-region (point-min) (point))
+          (write-file (concat (or download-dir
+                                  "~/Downloads/")
+                              (or download-name
+                                  (car (last (split-string url "/" t))))))))))
+#+END_SRC
+
 * Dired
 ** Dired bindings
 =C-o= is defined as a global key for window operation, here unset it in dired mode