From 41f10b77c0dced380947df6c9949868639dd79fb Mon Sep 17 00:00:00 2001
From: "Bastian M. Wojek" <basti@kth.se>
Date: Wed, 17 Nov 2010 19:47:07 +0000
Subject: [PATCH] Comment the FUNCTIONS block in the written msr-file if there
 is none in the present msr-data-structure

---
 src/classes/PMsrHandler.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/classes/PMsrHandler.cpp b/src/classes/PMsrHandler.cpp
index a3472a24..944f2d0c 100644
--- a/src/classes/PMsrHandler.cpp
+++ b/src/classes/PMsrHandler.cpp
@@ -1234,6 +1234,9 @@ Int_t PMsrHandler::WriteMsrFile(const Char_t *filename, map<UInt_t, TString> *co
   fout << hline.Data() << endl;
 
   // write FUNCTIONS block
+  // or comment it if there is none in the data structures
+  if (fFunctions.size() < 2)
+    fout << "# ";
   fout << "FUNCTIONS" << endl;
 
   for (i = 1; i < fFunctions.size(); ++i) {