# Node ID 859f55d0928e8add970853cd5859055979d267c2
# Parent  3796b26e6c20c1eaf37b8cc30050801e1e5a3e88
diff --git a/src/base/stats/info.hh b/src/base/stats/info.hh
--- a/src/base/stats/info.hh
+++ b/src/base/stats/info.hh
@@ -59,6 +59,8 @@
 const FlagsType nonan =         0x0200;
 /** Print all values on a single line. Useful only for histograms. */
 const FlagsType oneline =       0x0400;
+/** Collate stats belonging to different objects. */
+const FlagsType collate =       0x0800;
 
 /** Mask of flags that can't be set directly */
 const FlagsType __reserved =    init | display;
diff --git a/src/base/stats/output.hh b/src/base/stats/output.hh
--- a/src/base/stats/output.hh
+++ b/src/base/stats/output.hh
@@ -59,6 +59,7 @@
     virtual void visit(const Vector2dInfo &info) = 0;
     virtual void visit(const FormulaInfo &info) = 0;
     virtual void visit(const SparseHistInfo &info) = 0; // Sparse histogram
+    virtual void visit(const std::string &p) = 0;
 };
 
 } // namespace Stats
diff --git a/src/base/stats/text.hh b/src/base/stats/text.hh
--- a/src/base/stats/text.hh
+++ b/src/base/stats/text.hh
@@ -69,6 +69,7 @@
     virtual void visit(const Vector2dInfo &info);
     virtual void visit(const FormulaInfo &info);
     virtual void visit(const SparseHistInfo &info);
+    virtual void visit(const std::string &p);
 
     // Implement Output
     virtual bool valid() const;
diff --git a/src/base/stats/text.cc b/src/base/stats/text.cc
--- a/src/base/stats/text.cc
+++ b/src/base/stats/text.cc
@@ -130,6 +130,12 @@
         fatal("Unable to open statistics file for writing\n");
 }
 
+void
+Text::visit(const std::string &p)
+{
+    ccprintf(*stream, p);
+}
+
 bool
 Text::valid() const
 {