diff --git a/resources/scripts/astyle/astyle-format-all.sh b/resources/scripts/astyle/astyle-format-all.sh
new file mode 100755
index 000000000..628b0a731
--- /dev/null
+++ b/resources/scripts/astyle/astyle-format-all.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+#
+# This file is part of RSS Guard.
+#
+# Copyright (C) 2011-2017 by Martin Rotter <rotter.martinos@gmail.com>
+# Copyright (C) 2010-2014 by David Rosca <nowrep@gmail.com>
+#
+# RSS Guard is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RSS Guard is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with RSS Guard. If not, see <http:#www.gnu.org/licenses/>.
+
+function usage {
+  echo "Usage: $0 \"root-directory\"..."
+  exit 1
+}
+
+if [ $# -eq 0 ]; then
+  usage
+fi
+
+ASTYLE_CMD="astyle"
+ASTYLE_RC=".astylerc"
+
+# Check all args.
+for dir in "$@"; do
+    if [ ! -d "${dir}" ]; then
+        echo "\"${dir}\" is not a directory..."
+        usage
+    fi
+done
+
+# Run the thing.
+for dir in "$@"; do
+  pushd "${dir}"
+  
+  if [ ! -r "$ASTYLE_RC" ]; then
+    echo "No $ASTYLE_RC in pwd \"$PWD\"..."
+    continue
+  fi
+  
+  for f in $(find . \
+                -name '*.c' \
+                -o -name '*.cc' \
+                -o -name '*.cpp' \
+                -o -name '*.h' \
+                -o -name '*.hh' \
+                -o -name '*.hpp'); do
+    "${ASTYLE_CMD}" --options="$ASTYLE_RC" "${f}"
+  done
+  
+  # Remove backup files.
+  find . -name "*.orig" | xargs --no-run-if-empty rm -v
+  
+  popd
+done