Silence more irrelevant errors/output

tdrop

@@ -167,7 +167,7 @@ program=$1
 
 # check that the program is not a path and does not contain flags
 if [[ ! $program =~ ^(current|auto_hide|auto_show|toggle_auto_hide)$ ]] && \
-	   ! type "$program" 2> /dev/null; then
+	   ! type "$program" &> /dev/null; then
 	echo >&2 "The program should be in PATH and not contain flags." | \
 		tee -a "$MUTDROP_PATH"/log
 	exit 1
@@ -487,7 +487,7 @@ unmap() {
 
 # * General Helper Functions
 get_class_name() {
-	xprop -id "$1" WM_CLASS | awk '{gsub(/"/, ""); print $4}'
+	xprop -id "$1" WM_CLASS 2> /dev/null | awk '{gsub(/"/, ""); print $4}'
 }
 
 get_visibility() {