diff --git a/.gitignore b/.gitignore
index 22e55cf..4ae3f3e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,12 +68,15 @@ config.sub
 configure
 test-driver
 src/gammalib-setup
+src/template/test_GClass
 doc/Doxyfile.bak
+
 test/test_url.dat
 test/*.xml
 test/reports/*.xml
 test/*.trs
 test/region.reg
+
 examples/python/*.xml
 examples/python/*.html
 examples/cpp/*/*.fits
@@ -85,6 +88,7 @@ examples/cpp/readmodel/readmodel
 examples/cpp/numerics/numerics
 examples/cpp/optimize/optimize
 examples/cpp/interpolate/interpolate
+examples/cpp/readmodel/readmodel
 
 # Binaries
 test/test_GApplication
@@ -106,5 +110,4 @@ test/test_LAT
 test/test_MWL
 test/test_CTA
 test/test_COM
-examples/cpp/readmodel/readmodel
 
diff --git a/src/template/GClass.cpp b/src/template/GClass.cpp
index 56c3887..367835f 100644
--- a/src/template/GClass.cpp
+++ b/src/template/GClass.cpp
@@ -158,14 +158,14 @@ GClass* GClass::clone(void) const
 /***********************************************************************//**
  * @brief Print class information
  ***************************************************************************/
-std::string GClass::print(void) const
+std::string GClass::print(const GChatter& chatter) const
 {
     // Initialise result string
     std::string result;
 
     // Append header
     result.append("=== GClass ===");
-    result.append("\n"+parformat("Name")+m_name);
+    result.append("\n"+gammalib::parformat("Name")+m_name);
 
     // Return result
     return result;
@@ -220,41 +220,3 @@ void GClass::free_members(void)
     // Return
     return;
 }
-
-
-/*==========================================================================
- =                                                                         =
- =                                 Friends                                 =
- =                                                                         =
- ==========================================================================*/
-
-/***********************************************************************//**
- * @brief Output operator
- *
- * @param[in] os Output stream.
- * @param[in] c Class.
- ***************************************************************************/
-std::ostream& operator<< (std::ostream& os, const GClass& c)
-{
-     // Write class in output stream
-    os << c.print();
-
-    // Return output stream
-    return os;
-}
-
-
-/***********************************************************************//**
- * @brief Log operator
- *
- * @param[in] log Logger.
- * @param[in] c Class.
- ***************************************************************************/
-GLog& operator<< (GLog& log, const GClass& c)
-{
-    // Write class into logger
-    log << c.print();
-
-    // Return logger
-    return log;
-}
diff --git a/src/template/GClass.hpp b/src/template/GClass.hpp
index f9301c8..1d3c160 100644
--- a/src/template/GClass.hpp
+++ b/src/template/GClass.hpp
@@ -51,7 +51,7 @@ public:
     // Methods
     void        clear(void);
     GClass*     clone(void) const;
-    std::string print(void) const;
+    std::string print(const GChatter& chatter = NORMAL) const;
   
 protected:
     // Protected methods
diff --git a/src/template/Makefile b/src/template/Makefile
new file mode 100644
index 0000000..7a0bede
--- /dev/null
+++ b/src/template/Makefile
@@ -0,0 +1,8 @@
+CXX=g++
+CFLAGS=-I${GAMMALIB}/include/gammalib
+LDFLAGS=-L${GAMMALIB}/lib -lgamma
+DEPS=
+OBJ=test_GClass.cpp GClass.cpp
+
+test_GClass: $(OBJ)
+	$(CXX) -o $@ $^ $(CFLAGS) $(LDFLAGS)
diff --git a/src/template/test_GClass.cpp b/src/template/test_GClass.cpp
new file mode 100644
index 0000000..cba4451
--- /dev/null
+++ b/src/template/test_GClass.cpp
@@ -0,0 +1,9 @@
+#include <iostream>
+#include "GammaLib.hpp"
+#include "GClass.hpp"
+
+int main(void) {
+    GClass a;
+    std::cout << a << std::endl;
+    return 0;
+}