diff --git a/publish.el b/publish.el
index 11aca3d..1b3bac2 100644
--- a/publish.el
+++ b/publish.el
@@ -52,6 +52,20 @@
           time
           (if (= time 1) "" "s")))
 
+(defun publish-get-summary-from-file (file props)
+  (format "* %s\n:PROPERTIES:\n:CUSTOM_ID:  %s\n:PUBDATE:  %s\n:RSS_PERMALINK:  %s\n:END:\n\n%s\n\n[[file:%s][Read More]]\n\n"
+          (car (org-publish-find-property file :title props))
+          (file-name-nondirectory file)
+          (format-time-string "[%Y-%m-%d %a %H:%M]" (org-timestamp-to-time (car (org-publish-find-property file :date props))))
+          (file-name-nondirectory file)
+          (car (org-map-entries (lambda () (let ((element-data (cadr (org-element-at-point))))
+                                             (buffer-substring-no-properties
+                                              (map-elt element-data :contents-begin)
+                                              (map-elt element-data :contents-end))))
+                                "summary"
+                                (list file)))
+          (file-name-nondirectory file)))
+
 (defun publish-generate-index (props)
   "Generate an index from my posts.
 Argument PROPS
@@ -62,19 +76,7 @@ Argument PROPS
       (insert "#+options: num:nil\n")
       (insert "\n")
       (apply 'insert
-             (mapcar (lambda (file)
-                       (format "* %s\n:PROPERTIES:\n:CUSTOM_ID:  %s\n:PUBDATE:  %s\n:RSS_PERMALINK:  %s\n:END:\n\n%s\n\n[[file:%s][Read More]]\n\n"
-                               (car (org-publish-find-property file :title props))
-                               (file-name-nondirectory file)
-                               (format-time-string "[%Y-%m-%d %a %H:%M]" (org-timestamp-to-time (car (org-publish-find-property file :date props))))
-                               (file-name-nondirectory file)
-                               (car (org-map-entries (lambda () (let ((element-data (cadr (org-element-at-point))))
-                                                                  (buffer-substring-no-properties
-                                                                   (map-elt element-data :contents-begin)
-                                                                   (map-elt element-data :contents-end))))
-                                                     "summary"
-                                                     (list file)))
-                               (file-name-nondirectory file)))
+             (mapcar (lambda (file) (publish-get-summary-from-file file props))
                      (take 30 (reverse files))))
       (write-file "posts/index.org"))))