try to fix reducer

mappers/wr.cpp

@@ -10,6 +10,7 @@ int main(int argc, char **argv) {
     while (std::getline(file, str))
     {
         if (str.size() == 0) continue;
+        if ((str.compare(" ") == 0) || (str.compare("\n") == 0)) continue;
         std::vector<std::string> temp = splitString(str, delim);
         key = temp[0];
         try { counter += stoi(temp[1]); }

src/Utils.cpp

@@ -60,7 +60,7 @@ void handlePipe(int file) {
 	int lines = 0;
     while ((fgets(str, bufSize, stream)) != NULL){
 		lines++;
-		//cout << "[PIPE] " << str << endl;
+		cout << "[PIPE] " << str << endl;
 		std::string key(strtok(str, delim));
     	std::string val(strtok(NULL, delim));
 		string keyFile = "tmp-" + key;