diff --git a/.local/bin/scripts/chexec b/.local/bin/scripts/chexec
index 37b913d..33b9107 100755
--- a/.local/bin/scripts/chexec
+++ b/.local/bin/scripts/chexec
@@ -1,3 +1,3 @@
 #!/bin/sh -ex
 # Set exec flag on all files that should be executable
-find -maxdepth 4 -name "*.sh" "$@" -exec chmod +x {} +
+find -maxdepth 4 -name "*.sh" "$@" -exec chmod -v +x {} +
diff --git a/.local/bin/scripts/ex b/.local/bin/scripts/ex
index 6aefd61..35c0103 100755
--- a/.local/bin/scripts/ex
+++ b/.local/bin/scripts/ex
@@ -5,6 +5,11 @@
 # and shows progress indications for some operations
 # optdepends: rewrite(part of my dotfiles, for unzip line rewriting) 7z p7zip unzip
 # TODO auto-delete archive, auto-extract in current dir, trim .tar.gz fully
+if test $# -eq 0
+then ex *.zip
+	exit
+fi
+
 for arg do
 case $arg in
 	(-d) del=$(expr ${del:-0} + 1);;
diff --git a/.local/bin/scripts/sign b/.local/bin/scripts/sign
index 620e827..814f360 100755
--- a/.local/bin/scripts/sign
+++ b/.local/bin/scripts/sign
@@ -23,6 +23,7 @@ export TEXMF=""
 pdfjam $quiet "$signature" --outfile "$sig" --papersize "{595pt, 842pt}" --noautoscale true \
     --offset "${h}pt ${v}pt" --scale "${4:-1}"
 pdfjam $quiet "$1" last "$sig" --outfile "$tmp_signed" --delta "0 -842pt" --nup "1x2" --fitpaper true
+# TODO consider pdftk stamp
 
 timg "$tmp_signed"