TUT: simple test for redistributePar with distributed roots

TUT: prefer 'subtract' instead of old 'delete'

TUT: enable multiFieldValue function object, update topoSet action

tutorials/IO/fileHandler/Allclean

@@ -5,7 +5,7 @@ cd "${0%/*}" || exit                                # Run from this directory
 
 cleanCase0
 
-rm -rf machineA
-rm -rf machineB
+rm -rf machine*
+rm -rf test-*
 
 #------------------------------------------------------------------------------

tutorials/IO/fileHandler/Allrun-redistribute

@@ -0,0 +1,53 @@
+#!/bin/sh
+cd "${0%/*}" || exit                                # Run from this directory
+. ${WM_PROJECT_DIR:?}/bin/tools/RunFunctions        # Tutorial run functions
+#------------------------------------------------------------------------------
+
+if isTest "$@"
+then
+    # Reset the controlDict
+    if [ -f system/controlDict.orig ]
+    then
+        echo "$0: restoring the controlDict from controlDict.orig"
+        mv -f system/controlDict.orig system/controlDict
+    fi
+fi
+
+restore0Dir
+runApplication blockMesh
+
+rm -rf test-distribute
+masterDecompParDict="test-distribute/machineA/testcase/system/decomposeParDict"
+
+for subdir in machineA machineB machineC machineD
+do
+    mkdir -p test-distribute/"$subdir"/testcase
+done
+
+# master
+cp -R 0 constant system test-distribute/machineA/testcase
+# others (nothing to copy)
+
+
+cat<< CASE_ROOTS >> "$masterDecompParDict"
+
+distributed true;
+
+roots
+(
+    //master: "$PWD/test-distribute/machineA"
+    "$PWD/test-distribute/machineB"
+    "$PWD/test-distribute/machineC"
+    "$PWD/test-distribute/machineD"
+);
+CASE_ROOTS
+
+#export FOAM_ABORT=true
+
+runParallel redistributePar -decompose -case test-distribute/machineA/testcase
+
+runParallel checkMesh -case test-distribute/machineA/testcase
+
+exit 0
+
+#------------------------------------------------------------------------------

tutorials/incompressible/pisoFoam/RAS/cavity/system/controlDict

@@ -68,6 +68,7 @@ functions
     #include "FOs/FOlog"
     #include "FOs/FOmag"
     #include "FOs/FOmagSqr"
+    #include "FOs/FOmultiFieldValue"
     #include "FOs/FOmultiply"
     #include "FOs/FOmomentum"
     #include "FOs/FOnearWallFields"

tutorials/mesh/extrudeMesh/faceZoneExtrusion/system/topoSetDict

@@ -27,7 +27,7 @@ actions
     {
         name    f0;
         type    faceSet;
-        action  delete;
+        action  subtract;
         source  boundaryToFace;
     }
 

tutorials/multiphase/overInterDyMFoam/rigidBodyHull/background/system/topoSetDict

@@ -53,7 +53,7 @@ actions
     {
         name    c1;
         type    cellSet;
-        action  delete;
+        action  subtract;
         source  cellToCell;
 
         set     c2;