Change time signature

bread/bin/bread

@@ -17,14 +17,55 @@ usage()
 	🍞 🥖 🥐
 	commands:
 		- news: read the news
+
+	for detailed usage of each command,
+	run bread COMMAND -h
+	🍞 🥖 🥐
 	ENDOFUSAGE
 	exit 1
 }
 
 bread_news()
 {
-	n="${1:-4}"
-	for art in $(find "$BREADNEWS" -type f | sort -nr | head -n"$n"); do
+	num=4
+	while getopts hn:s:w opt; do
+		case "$opt" in
+			h)
+				cat <<-ENDOFHELP
+				bread news : read the news
+				usage: bread news [-n NUM] [-s QUERY] [-w]
+
+				-n NUM		read NUM newest articles. default: 4
+				-s QUERY	search for QUERY in news database
+				-w		write a new article (admin only)
+				ENDOFHELP
+				exit
+				;;
+			n) num="$OPTARG" ;;
+			s) 
+				query="$OPTARG" 
+				;;
+			w)
+				groups "$USER" | grep -q admin || {
+					echo "You're not an admin!"
+					exit 3
+				}
+				article="$BREADNEWS/$(date +%F)@$(date +%H:%M).md"
+				cat <<-ENDOFARTICLE >"$article"
+				title	
+				author	$USER
+				date	$(date +%F)
+
+				ENDOFARTICLE
+				$EDITOR "$article"
+				exit
+				;;
+			\?) return 2 ;;
+			*) return 2 ;;
+		esac
+	done
+
+	for art in $(find "$BREADNEWS" -type f | sort -nr | head -n "$num"); do
 		echo " 🍞 🥖 🥐 "
 		printf '\033[34;1;4m%s\033[0m\n' "$(M title "$art")"
 		printf '\033[34;1m%s\033[0m\n' "$(M date "$art")"
@@ -45,7 +86,7 @@ main()
 	shift "$((OPTIND - 1))"
 
 	cmd="$1"; shift
-	bread_"$cmd" "$@"
+	bread_"$cmd" "$@" || exit $?
 }
 
 main "$@"