diff --git a/example_apps/convert_to_adjacency.cpp b/example_apps/convert_to_adjacency.cpp
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+++ b/example_apps/convert_to_adjacency.cpp
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+
+/**
+ * @file
+ * @author  Aapo Kyrola <akyrola@cs.cmu.edu>
+ * @version 1.0
+ *
+ * @section LICENSE
+ *
+ * Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ 
+ *
+ * @section DESCRIPTION
+ *
+ * Simple program that writes a graph into adjacency list
+ */
+
+#include <iostream>
+
+#include "graphchi_basic_includes.hpp"
+
+using namespace graphchi;
+
+/**
+ * Type definitions. Remember to create suitable graph shards using the
+ * Sharder-program. 
+ */
+typedef bool VertexDataType;
+typedef bool EdgeDataType;
+
+FILE * f;
+
+struct AdjConverter : public GraphChiProgram<VertexDataType, EdgeDataType> {
+    
+    
+    /**
+     *  Vertex update function.
+     */
+    void update(graphchi_vertex<VertexDataType, EdgeDataType> &vertex, graphchi_context &gcontext) {
+        if (vertex.id() % 10000 == 0) std::cout << vertex.id() << std::endl;
+        fprintf(f, "%d %d", vertex.id(), vertex.num_outedges());
+        for(int i=0; i<vertex.num_outedges(); i++) 
+            fprintf(f, " %d", vertex.outedge(i)->vertex_id());
+        fprintf(f, "\n");
+    }
+    
+    /**
+     * Called before an iteration starts.
+     */
+    void before_iteration(int iteration, graphchi_context &gcontext) {
+    }
+    
+    /**
+     * Called after an iteration has finished.
+     */
+    void after_iteration(int iteration, graphchi_context &gcontext) {
+    }
+    
+    /**
+     * Called before an execution interval is started.
+     */
+    void before_exec_interval(vid_t window_st, vid_t window_en, graphchi_context &gcontext) {        
+    }
+    
+    /**
+     * Called after an execution interval has finished.
+     */
+    void after_exec_interval(vid_t window_st, vid_t window_en, graphchi_context &gcontext) {        
+    }
+    
+};
+
+int main(int argc, const char ** argv) {
+    /* GraphChi initialization will read the command line 
+     arguments and the configuration file. */
+    graphchi_init(argc, argv);
+    
+    /* Metrics object for keeping track of performance counters
+     and other information. Currently required. */
+    metrics m("adjconverter");
+    
+    /* Basic arguments for application */
+    std::string filename = get_option_string("file");  // Base filename
+    
+    /* Detect the number of shards or preprocess an input to create them */
+    int nshards          = convert_if_notexists<EdgeDataType>(filename, 
+                                                              get_option_string("nshards", "auto"));
+    
+    std::string outfile = filename + ".adj";
+    f = fopen(outfile.c_str(), "w");
+    
+    /* Run */
+    AdjConverter program;
+    graphchi_engine<VertexDataType, EdgeDataType> engine(filename, nshards, false, m); 
+    engine.set_exec_threads(1);
+    engine.run(program, 1);
+    
+    fclose(f);
+    
+    /* Report execution metrics */
+    metrics_report(m);
+    return 0;
+}