Add append option to SaveAscii. Refs #9144

mantidproject · Jul 16, 2014 · 585b94d · 585b94d
1 parent 206267d
commit 585b94d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/Code/Mantid/Framework/DataHandling/src/SaveAscii2.cpp b/Code/Mantid/Framework/DataHandling/src/SaveAscii2.cpp
@@ -78,6 +78,8 @@ namespace Mantid
 
       declareProperty("ColumnHeader", true, "If true, put column headers into file. ");
 
+      declareProperty("AppendToFile", false, "If true, don't overwrite the file. Append to the end of it. ");
+
     }
 
     /** 
@@ -98,6 +100,7 @@ namespace Mantid
       int spec_min = getProperty("WorkspaceIndexMin");
       int spec_max = getProperty("WorkspaceIndexMax");
       bool writeHeader = getProperty("ColumnHeader");
+      bool appendToFile = getProperty("AppendToFile");
 
       // Check whether we need to write the fourth column
       m_writeDX = getProperty("WriteXError");
@@ -177,7 +180,7 @@ namespace Mantid
         throw std::runtime_error("Trying to save an empty workspace");
       }
       std::string filename = getProperty("Filename");
-      std::ofstream file(filename.c_str());
+      std::ofstream file(filename.c_str(), (appendToFile ? std::ios::app : std::ios::out));
 
       if (!file)
       {