Changeset 13737 for fact/tools/rootmacros/PulseTemplates/rootfilehandler.C

Timestamp:

05/15/12 14:47:27 (12 years ago)

Author:

Jens Buss

Message:

possibility to define if output file will be updated or recreated

File:

• fact/tools/rootmacros/PulseTemplates/rootfilehandler.C (modified) (2 diffs)

fact/tools/rootmacros/PulseTemplates/rootfilehandler.C

@@ -6 +6 @@
 using namespace std;
 
+/*
+  POSSIBLE IMPROVEMENT:
+
+  creat files on the heap and handover pointers
+
+  */
+
+
+
+
 void
 CreateRootFile(
         TString         loc_fname,
+        bool            overwrite,
         int             verbosityLevel
         )
 {
-    TFile output_rootfile(loc_fname,"UPDATE");
+    TFile* output_rootfile;
 
-    if (output_rootfile.IsZombie())
+    if(!overwrite)
+    {
+        output_rootfile = new TFile(loc_fname);
+        if (output_rootfile->IsZombie())
+        {
+            cout << "file does not exist...creating file" << endl;
+            delete output_rootfile;
+            output_rootfile = new TFile(loc_fname,"NEW");
+        }
+        else
+        {
+            cout << "file does exist and will be updated" << endl;
+            output_rootfile->OpenFile(loc_fname,"UPDATE");
+        }
+    }
+    else if(overwrite)
+    {
+        cout << "overwriting file" << endl;
+        output_rootfile = new TFile(loc_fname,"RECREATE");
+    }
+
+    if (output_rootfile->IsZombie())
     {
         cout << "Error opening file" << endl;
@@ -21 +53 @@
     else {
         if (verbosityLevel > 1) cout << "creating root-file...successfull" << endl;
-        output_rootfile.pwd();
-        output_rootfile.Close();
+        output_rootfile->pwd();
+        output_rootfile->Close();
+        delete output_rootfile;
     }
 }