diff --git a/scripts/isosec b/scripts/isosec
new file mode 100755
index 0000000..330d368
--- /dev/null
+++ b/scripts/isosec
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec date -u +%Y%m%d%H%M%S "$@"
diff --git a/scripts/opout b/scripts/opout
index d2b447a..24d75de 100755
--- a/scripts/opout
+++ b/scripts/opout
@@ -7,7 +7,7 @@
 basename="${1%.*}"
 
 case "${*}" in
-	*.tex|*.sil|*.m[dse]|*.[rR]md|*.mom|*.[0-9]) target="$(getcomproot "$1" || echo "$1")" ; setsid -f xdg-open "${target%.*}".pdf >/dev/null 2>&1 ;;
-	*.html) setsid -f "$BROWSER" "$basename".html >/dev/null 2>&1 ;;
-	*.sent) setsid -f sent "$1" >/dev/null 2>&1 ;;
+    *.tex|*.sil|*.m[dse]|*.[rR]md|*.mom|*.[0-9]) target="$(getcomproot "$1" || echo "$1")" ; setsid -f xdg-open "${target%.*}".pdf >/dev/null 2>&1 ;;
+    *.html) setsid -f "$BROWSER" "$basename".html >/dev/null 2>&1 ;;
+    *.sent) setsid -f sent "$1" >/dev/null 2>&1 ;;
 esac