From 1a4cf30c4a5781a6fd9a5af25e2875f8c1124676 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Sun, 22 Apr 2007 21:40:46 +0000
Subject: [PATCH] Added --version-number support

---
 applications/osgversion/osgversion.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/applications/osgversion/osgversion.cpp b/applications/osgversion/osgversion.cpp
index 03d3adfcb..35de16bb8 100644
--- a/applications/osgversion/osgversion.cpp
+++ b/applications/osgversion/osgversion.cpp
@@ -613,8 +613,15 @@ int main( int argc, char **argv)
     arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options]");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     arguments.getApplicationUsage()->addCommandLineOption("--entries","Print out number of entries into the ChangeLog file for each contributor.");
+    arguments.getApplicationUsage()->addCommandLineOption("--version-number","Print out version number only");
     arguments.getApplicationUsage()->addCommandLineOption("-r <file> or --read <file>","Read the ChangeLog to generate an estimated contributors list.");
 
+    if (arguments.read("--version-number"))
+    {
+        std::cout<<osgGetVersion()<<std::endl;
+        return 0;
+    }
+    
     std::cout<<osgGetLibraryName()<< " "<< osgGetVersion()<<std::endl<<std::endl;
 
     bool printContributors = false;