From 47f1de79ed1d0007dbba84dc3d511528c7fed3f0 Mon Sep 17 00:00:00 2001
From: Ben Beltran <ben@nsovocal.com>
Date: Thu, 18 May 2017 22:44:25 -0500
Subject: Show the optional arguments

---
 Sources/main.swift | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'Sources')

diff --git a/Sources/main.swift b/Sources/main.swift
index e4b2760..42d4855 100644
--- a/Sources/main.swift
+++ b/Sources/main.swift
@@ -21,6 +21,21 @@ func createParser() -> ([String:Option], CommandLineKit) {
 
     parser.addOptions(Array(flags.values))
 
+    parser.formatOutput = {parseString, type in
+
+        var formattedString: String
+
+        switch(type) {
+        case .About:
+            formattedString = "\(parseString) [<artist_name> <song_name>]"
+            break
+        default:
+            formattedString = parseString
+        }
+
+        return parser.defaultFormat(formattedString, type: type)
+    }
+
     return (flags, parser)
 }
 
-- 
cgit