TreeWriter/FileWriter: move to createOutputFile scheme

src/modules/FileWriter/FileWriter.cpp

 #include "FileWriter.h"
+#include "core/utils/file.h"
 
 using namespace corryvreckan;
 using namespace std;
@@ -37,7 +38,8 @@ void FileWriter::initialise() {
         m_objectList.push_back("tracks");
 
     // Create output file and directories
-    m_outputFile = new TFile(m_fileName.c_str(), "RECREATE");
+    auto path = createOutputFile(add_file_extension(m_fileName, "root"), true);
+    m_outputFile = new TFile(path.c_str(), "RECREATE");
     m_outputFile->cd();
 
     // Loop over all objects to be written to file, and set up the trees

src/modules/FileWriter/README.md

@@ -12,7 +12,7 @@ This module writes an output file and fills it with trees containing the request
 * `writePixels`: Boolean to choose if pixel objects are to be written out. Default value is `true`.
 * `writeClusters`: Boolean to choose if cluster objects are to be written out. Default value is `false`.
 * `writeTracks`: Boolean to choose if track objects are to be written out. Default value is `true`.
-* `fileName`: Name of the output file. Default value is `outputTuples.root`.
+* `fileName`: Name of the data file to create, relative to the output directory of the framework. The file extension `.root` will be appended if not present. Default value is `outputTuples.root`.
 
 ### Usage
 ```toml

src/modules/TreeWriterDUT/README.md

@@ -27,7 +27,7 @@ For each `track` with associated DUT `clusters` the following information is wri
 
 ### Parameters
 * `DUT`: Name of the DUT plane.
-* `fileName`: Name of the outputted ROOT file. Default value is `outputTuples`.
+* `fileName`: Name of the data file to create, relative to the output directory of the framework. The file extension `.root` will be appended if not present. Default value is `outputTuples.root`.
 * `treeName`: Name of the tree inside the outputted ROOT file. Default value is `tree`.
 
 ### Plots produced

src/modules/TreeWriterDUT/TreeWriterDUT.cpp

 #include "TreeWriterDUT.h"
+#include "core/utils/file.h"
+
 #include <vector>
 
 using namespace corryvreckan;
@@ -33,8 +35,9 @@ void TreeWriterDUT::initialise() {
     LOG(DEBUG) << "Initialised TreeWriterDUT";
 
     // Create output file and directories
-    m_outputFile = new TFile(m_fileName.c_str(), "RECREATE");
-    LOG(DEBUG) << "Made and moved to output file: " << m_fileName;
+    auto path = createOutputFile(add_file_extension(m_fileName, "root"));
+    m_outputFile = new TFile(path.c_str(), "RECREATE");
+    LOG(DEBUG) << "Made and moved to output file: " << path;
     gDirectory->Delete("tree;*");
     m_outputTree = new TTree(m_treeName.c_str(), m_treeName.c_str());
     LOG(DEBUG) << "Created tree: " << m_treeName;