diff --git a/ufw b/ufw
index 28e909e..d0fbe73 100755
--- a/ufw
+++ b/ufw
@@ -15,8 +15,13 @@ is_url() {
 	[[ "$1" =~ $cfg_url_regex ]]
 }
 
-msg() { printf '%s\n' "[ufw] $1"; }
-err() { msg "(error) $1" >&2; }
+msg() {
+	if ! (( flag_quiet )); then
+		printf '%s\n' "$1"
+	fi
+}
+
+err() { printf '(error) %s\n' "$*" >&2;  }
 
 usage() {
 	_cat <<- EOF
@@ -47,12 +52,6 @@ usage() {
 	EOF
 }
 
-ensure_env() {
-	for i in "$cfg_tmp_dir"; do
-		[[ -d "$i" ]] || { mkdir -p "$i"; }
-	done
-}
-
 get_file_hash() {
 	read file_hash _ < <( sha1sum "$1" )
 }
@@ -341,53 +340,52 @@ main() {
 
 	while [[ "$1" ]]; do
 		case "$1" in
+			-h|--help|--usage) usage; return;;
+			-D|--screenshot-delay) cfg_scrot_delay="$2"; shift;;
+			-m|--max-filesize) cfg_max_filesize=$2; shift;;
+			-A|--album-name) album_name=$2; shift;;
+
+			-i|--my-ip) action='getmyip';;
+			-u|--shorten) action='url';;
+
 			-p|--public) flag_private='false';;
 			-R|--remove-file) flag_rm='1';;
-			
 			-s|--screenshot) flag_scrot='1';;
-			-D|--screenshot-delay) cfg_scrot_delay="$2"; shift;;
+			-S|--short-url) flag_shortlink=1;;
+			-P|--page-url) flag_directlink=0;;
+			-q|--quiet) flag_quiet=1;;
+
 			-F|--fullscreen)
 				flag_scrot='1'
 				flag_scrot_fullscreen='1'
 			;;
 
-			-m|--max-filesize) cfg_max_filesize=$2; shift;;
-
-			-i|--my-ip) action='getmyip';;
-
-			-u|--shorten) action='url';;
-
-			-S|--short-url) flag_shortlink=1;;
-			-P|--page-url) flag_directlink=0;;
-
 			-a|--album-id)
 				misc_curl_args+=( -F "album_id=$2" )
 				shift
 			;;
 
-			-A|--album-name) album_name=$2; shift;;
-
 			-d|--description)
 				misc_curl_args+=( -F "description=$2" )
 				shift
 			;;
 
-			-l|--login)
-				action='login'
-				login=$2
-				shift
-			;;
-			
-			-h|--help|--usage) usage; return;;
-
 			--) shift; break;;
 
+			-*)
+				err "Unknown flag: $1"
+				usage
+				return 1
+			;;
+
 			*) break;;
 		esac
 		shift
 	done
 
-	ensure_env
+	for i in "$cfg_tmp_dir"; do
+		[[ -d "$i" ]] || { mkdir -p "$i"; }
+	done
 
 	case "${action:-upload}" in
 		upload) upload "$1";;