diff --git a/tools/extract_doc.py b/tools/extract_doc.py
index 601b4cc..6b39063 100755
--- a/tools/extract_doc.py
+++ b/tools/extract_doc.py
@@ -1,8 +1,10 @@
 #!/usr/bin/env python
 
 import sys
+import re
 
-excludes = ['istats_diff.py']
+excludes = []
+# excludes = [r'.*_diff.py']
 
 filename = sys.argv[1]
 printName = False
@@ -15,7 +17,7 @@ if filename.endswith('__init__.py'):
     sys.exit(0)
 
 for e in excludes:
-    if filename.endswith(e):
+    if re.match(e, filename):
         sys.stderr.write('\tSkip %s\n' % (filename))
         sys.exit(0)
 
diff --git a/tools/extract_docs.sh b/tools/extract_docs.sh
index 007f21b..539eb84 100755
--- a/tools/extract_docs.sh
+++ b/tools/extract_docs.sh
@@ -8,14 +8,18 @@ rm -f "${MODULES_TARGET}"
 
 echo "Generate plugins index"
 python tools/extract_doc.py -p iwla.py > "${MODULES_TARGET}"
-find plugins -name '*.py' -exec python tools/extract_doc.py -p \{\} \; >> "${MODULES_TARGET}"
+for p in `find plugins -name '*.py' | sort | sed ':a;N;$!ba;s/\n/ /g'`; do
+    python tools/extract_doc.py -p $p >> "${MODULES_TARGET}"
+done
 echo "\n" >> "${MODULES_TARGET}"
 
 echo "Generate doc from iwla.py"
 python tools/extract_doc.py iwla.py >> "${MODULES_TARGET}"
 
 echo "Generate plugins documentation"
-find plugins -name '*.py' -exec python tools/extract_doc.py \{\} \; >> "${MODULES_TARGET}"
+for p in `find plugins -name '*.py'  | sort` ; do
+    python tools/extract_doc.py $p >> "${MODULES_TARGET}"
+done
 
 echo "Generate ${TARGET_MD}"
 cat "${MAIN_MD}" "${MODULES_TARGET}" > "${TARGET_MD}"