From 26fc46aeefae24e2504b5d986c23913a1b4dc3c7 Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Thu, 3 Feb 2022 17:18:21 +0100
Subject: [PATCH] add: version and useage

---
 src/de/hhaalo/parameter.java | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/src/de/hhaalo/parameter.java b/src/de/hhaalo/parameter.java
index be33a33..265456f 100644
--- a/src/de/hhaalo/parameter.java
+++ b/src/de/hhaalo/parameter.java
@@ -42,19 +42,38 @@ public class parameter
 				_split = Long.parseUnsignedLong(g.getOptarg());
 				break;
 			case 'h':
-				//show_version();
-				//useage();
-				System.out.println("help");
+				showVersion();
+				useage();
 				System.exit(0);
 				break;
 			case 'v':
-				//show_version();
+				showVersion();
 				System.exit(0);
 				break;
 			default:
-				System.out.println("WARNING: " + g.getopt() +  " unknown option");
+				System.err.println("WARNING: " + g.getopt() +  " unknown option");
 				break;
 			}
 		}
 	}
+
+	private void showVersion()
+	{
+		System.out.println("discspan 0.1");
+	}
+
+	private void useage()
+	{
+		System.out.print("\nUsage: discspan <option> -i <source> -o <prefix>\n\n");
+		System.out.print("   -i <source>\tpath to source file\n");
+		System.out.print("   -o <prefix>\tprefix for output files\n\n");
+		System.out.print("Option:\n\n");
+		System.out.print("   -b\t\tsize of Bluray: 25.000.000.000 bytes\n");
+		System.out.print("   -9\t\tsize of double layer DVD 8.500.000.000 bytes\n");
+		System.out.print("   -5\t\tsize of sigle layer DVD: 4.700.000.000 bytes\n");
+		System.out.print("   -c\t\tsize of CD: 734.003.200 bytes\n");
+		System.out.print("   -f <size>\tsize in bytes\n");
+		System.out.print("   -v\t\tshow version\n");
+		System.out.print("   -h\t\tshow this help\n\n");
+	}
 }
-- 
2.39.5