a key to disable desktop notifications

Signed-off-by: fbt <fbt@fleshless.org>

sx-open

@@ -6,7 +6,8 @@ usage() {
 		sx-open [-dhv] <uri/file>
 		Flags:
 		  -d   Dry run
-		  -v   Verbose
+		  -v   Verbose mode
+		  -n   Disable desktop notifications
 		  -h   Help
 	EOF
 }
@@ -120,6 +121,8 @@ main() {
 			(-v) verbose=1;;
 			(-h) usage; return 0;;
 
+			(-n) notify() { true; };; # disable desktop notifications
+
 			(--) shift; break;;
 			(*) break;;
 		esac