diff --git a/code/nel/tools/pipeline/service/metadata_storage.cpp b/code/nel/tools/pipeline/service/metadata_storage.cpp
index 3a5595bde..30b499937 100644
--- a/code/nel/tools/pipeline/service/metadata_storage.cpp
+++ b/code/nel/tools/pipeline/service/metadata_storage.cpp
@@ -153,9 +153,24 @@ std::string CMetadataStorage::getResultPath(const std::string &projectName, cons
 
 void CMetadataStorage::readProcessResult(CProcessResult &result, const std::string &path)
 {
-	// TODO
-	result.clear();
-	// TODO
+	if (!NLMISC::CFile::fileExists(path))
+	{
+		nlwarning("Process running for the first time, this may take a long time");
+		result.clear();
+		return;
+	}
+
+	NLMISC::CIFile is(path, false);
+	result.serial(is);
+	is.close();
+}
+
+void CMetadataStorage::writeProcessResult(const CProcessResult &result, const std::string &path)
+{
+	NLMISC::COFile os(path, false, false, true);
+	const_cast<CProcessResult &>(result).serial(os);
+	os.flush();
+	os.close();
 }
 
 ///////////////////////////////////////////////////////////////////////
diff --git a/code/nel/tools/pipeline/service/metadata_storage.h b/code/nel/tools/pipeline/service/metadata_storage.h
index 9729a19b1..0c63abb52 100644
--- a/code/nel/tools/pipeline/service/metadata_storage.h
+++ b/code/nel/tools/pipeline/service/metadata_storage.h
@@ -155,6 +155,7 @@ public:
 	// Pathname for result metadata is like .../project.projectname.meta/pluginname.result
 	static std::string getResultPath(const std::string &projectName, const std::string &pluginName);
 	static void readProcessResult(CProcessResult &result, const std::string &path);
+	static void writeProcessResult(const CProcessResult &result, const std::string &path);
 
 }; /* class CMetadataStorage */