+struct HeaderTool::HeaderToolPrivate {
+
+ // ctor & dtor
+ public:
+ HeaderToolPrivate(HeaderTool::HeaderSettings* settings)
+ : m_settings(settings)
+ { }
+
+ ~HeaderToolPrivate(void) { }
+
+ // interface
+ public:
+ bool Run(void);
+
+ // data members
+ private:
+ HeaderTool::HeaderSettings* m_settings;
+};
+
+bool HeaderTool::HeaderToolPrivate::Run(void) {
+
+ // set to default input if none provided
+ if ( !m_settings->HasInputBamFilename )
+ m_settings->InputFiles.push_back(Options::StandardIn());
+
+ // attemp to open BAM files
+ BamMultiReader reader;
+ if ( !reader.Open(m_settings->InputFiles) ) {
+ cerr << "bamtools header ERROR: could not open BAM file(s) for reading... Aborting." << endl;
+ return false;
+ }
+
+ // dump (merged) header contents to stdout
+ cout << reader.GetHeaderText() << endl;
+
+ // clean up & exit
+ reader.Close();
+ return true;
+}
+