diff --git a/migrate-config.pl b/migrate-config.pl
new file mode 100755
index 0000000..8f55aa6
--- /dev/null
+++ b/migrate-config.pl
@@ -0,0 +1,74 @@
+#!/usr/bin/perl -p
+# Originally by Stuart Henderson in
+# <20161206120601.vmimohqh4nafaeah@symphytum.spacehopper.org>
+# Ported to Perl and slightly tweaked by Christian Neukirchen.
+
+s/\bbind\b(.*)\bunmap/unbind-key \1/;
+s/\bmousebind\b(.*)unmap/unbind-mouse \1/;
+s/\bresize\b/window-resize/;
+s/\bresizedown\b/window-resize-down/;
+s/\bresizeleft\b/window-resize-left/;
+s/\bresizeright\b/window-resize-right/;
+s/\bresizeup\b/window-resize-up/;
+s/\bmove\b/window-move/;
+s/\bmovedown\b/window-move-down/;
+s/\bmoveleft\b/window-move-left/;
+s/\bmoveright\b/window-move-right/;
+s/\bmoveup\b/window-move-up/;
+s/\bbigmovedown\b/window-move-down-big/;
+s/\bbigmoveleft\b/window-move-left-big/;
+s/\bbigmoveright\b/window-move-right-big/;
+s/\bbigmoveup\b/window-move-up-big/;
+s/\bbigptrmovedown\b/pointer-move-down-big/;
+s/\bbigptrmoveleft\b/pointer-move-left-big/;
+s/\bbigptrmoveright\b/pointer-move-right-big/;
+s/\bbigptrmoveup\b/pointer-move-up-big/;
+s/\bbigresizedown\b/window-resize-down-big/;
+s/\bbigresizeleft\b/window-resize-left-big/;
+s/\bbigresizeright\b/window-resize-right-big/;
+s/\bbigresizeup\b/window-resize-up-big/;
+s/\bbind\b/bind-key/;
+s/\bcycle\b/window-cycle/;
+s/\bcyclegroup\b/group-cycle/;
+s/\bcycleingroup\b/window-cycle-ingroup/;
+s/\bdelete\b/window-delete/;
+s/\bexec\b/menu-exec/;
+s/\bexec_wm\b/menu-exec-wm/;
+s/\bfreeze\b/window-freeze/;
+s/\bfullscreen\b/window-fullscreen/;
+s/\bgroupsearch\b/menu-group/;
+s/\bgrouptoggle\b/window-group/;
+s/\bhide\b/window-hide/;
+s/\bhmaximize\b/window-hmaximize/;
+s/\bhtile\b/window-htile/;
+s/\blabel\b/window-menu-label/;
+s/\blower\b/window-lower/;
+s/\bmaximize\b/window-maximize/;
+s/\bmenu_cmd\b/menu-cmd/;
+s/\bmenu_group\b/menu-group/;
+s/\bmenu_unhide\b/menu-window/;
+s/\bmenusearch\b/menu-cmd/;
+s/\bmousebind\b/bind-mouse/;
+s/\bnogroup\b/group-toggle-all/;
+s/\bptrmovedown\b/pointer-move-down/;
+s/\bptrmoveleft\b/pointer-move-left/;
+s/\bptrmoveright\b/pointer-move-right/;
+s/\bptrmoveup\b/pointer-move-up/;
+s/\braise\b/window-raise/;
+s/\brcycle\b/window-rcycle/;
+s/\brcyclegroup\b/group-rcycle/;
+s/\brcycleingroup\b/window-rcycle-ingroup/;
+s/\bsearch\b/menu-window/;
+s/\bssh\b/menu-ssh/;
+s/\bstick\b/window-stick/;
+s/\bvmaximize\b/window-vmaximize/;
+s/\bvtile\b/window-vtile/;
+s/\bwindow_grouptoggle\b/window-group/;
+s/\bwindow_move\b/window-move/;
+s/\bwindow_resize\b/window-resize/;
+s/\bwindow_hide\b/window-hide/;
+s/\bwindow_lower\b/window-lower/;
+s/\bwindow_raise\b/window-raise/;
+s/\bmovetogroup([1-9])\b/window-movetogroup-\1/;
+s/\bgrouponly([1-9])\b/group-only-\1/;
+s/\bgroup([1-9])\b/group-toggle-\1/;