diff --git a/yt b/yt
index b97a5c0..6b22bc5 100755
--- a/yt
+++ b/yt
@@ -18,6 +18,19 @@
 
 set -e
 
+test -n "$DEBUG" \
+	&& set -x \
+	|| true # because set -e
+
+argv0="$0"
+com="$1"
+FMT='%(title)s – %(channel)s (%(duration>%H:%M:%S)s) [%(webpage_url)s]'
+
+test -n "$cachefile" \
+	|| cachefile="$XDG_CACHE_HOME/yt.cache"
+test -n "$WBAPI" \
+	|| WBAPI='https://archive.org/wayback/available?url='
+
 add() { # adds a video to a playlist file
 	while test -n "$2"; do
 		if test -z "$(sed -n ";$1;p" "$2")"
@@ -164,17 +177,6 @@ verify() { # replaces videos with archived versions if they are not available
 	done
 }
 
-argv0="$0"
-com="$1"
-
-cachefile="$XDG_CACHE_HOME/yt.cache"
-FMT='%(title)s – %(channel)s (%(duration>%H:%M:%S)s) [%(webpage_url)s]'
-WBAPI='https://archive.org/wayback/available?url='
-
-if test -n "$DEBUG"; then
-	set -x
-fi
-
 for dep in \
 	curl \
 	fzf \