diff --git a/s48/cavespider/search-util.scm b/s48/cavespider/search-util.scm
new file mode 100644
index 0000000..5ee2ab8
--- /dev/null
+++ b/s48/cavespider/search-util.scm
@@ -0,0 +1,82 @@
+;;;
+;;; Copyright (c) 2012 Johan Ceuppens
+;;;
+;;; All rights reserved.
+;;;
+;;; Redistribution and use in source and binary forms, with or without
+;;; modification, are permitted provided that the following conditions
+;;; are met:
+;;; 1. Redistributions of source code must retain the above copyright
+;;;    notice, this list of conditions and the following disclaimer.
+;;; 2. Redistributions in binary form must reproduce the above copyright
+;;;    notice, this list of conditions and the following disclaimer in the
+;;;    documentation and/or other materials provided with the distribution.
+;;; 3. The name of the authors may not be used to endorse or promote products
+;;;    derived from this software without specific prior written permission.
+;;;
+;;; THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+;;; IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+;;; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+;;; IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+;;; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+;;; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+;;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+;;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+;;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+;;; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+(define (file-contents->keyword file-contents-str keyword)
+  ;;(display file-contents-str)
+  (let ((s "")
+        (ret '()))
+
+    (do ((i 0 (+ i 1)))
+        ((>= i (string-length file-contents-str))
+         ret)
+      (cond ((not (eq? #\h (string-ref file-contents-str i)))
+             (set! s ""))
+            ((eq? #\h (string-ref file-contents-str i))
+
+             (let ((s2 ""))
+
+               (do ((j i (+ j 1)))
+                   ((cond ((string=? s2 keyword)
+
+                           (let ((s3 ""))
+                             (do ((k j (+ k 1)))
+                                 ((cond ((eq? (string-ref file-contents-str k)
+                                              #\");;FIXME
+
+                                         (set! j k)(set! i k)(set! s2 ""))
+                                        ((eq? (string-ref file-contents-str k)
+                                              #\/)
+                                         (set! ret (append ret (list s3)))
+
+                                         (set! j k)
+                                         (set! i k))
+                                        ((>= k (string-length file-contents-str));;FIXME prev
+                                         (set! s2 "")(set! i k)(set! j k))
+                                        ))
+                               (set! s3 (string-append
+                                         s3
+                                         (string (string-ref file-contents-str k))))
+                             )
+
+                             ))
+                          ((not (string<=? s2 keyword))
+                           (set! s "")
+
+                           (set! i j))
+                          ))
+
+                 (set! s2 (string-append
+                           s2
+                           (string (string-ref file-contents-str j))))
+                 (display "s2=")(display s)
+
+               (set! i j)))))
+      (set! s (string-append s (string (string-ref file-contents-str i))))
+      ;;(display "s=")(display (string-ref file-contents-str i))
+      )
+    ret))