foamNewApp: added an example createFields.H file

bin/foamNewApp

@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     | Website:  https://openfoam.org
-#   \\  /    A nd           | Copyright (C) 2015-2018 OpenFOAM Foundation
+#   \\  /    A nd           | Copyright (C) 2015-2021 OpenFOAM Foundation
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -79,4 +79,7 @@ echo "Creating Make subdirectory" && mkdir "${app}/Make"
 sed "s#NAME#${app}#g" "${dir}/Make/files" > "${app}/Make/files"
 cp "${dir}/Make/options" "${app}/Make"
 
+echo "Copying example createFields.H file" && \
+    cp "${dir}/createFields.H" "${app}"
+
 #------------------------------------------------------------------------------

etc/codeTemplates/app/app.C

@@ -36,6 +36,8 @@ int main(int argc, char *argv[])
 {
     #include "setRootCase.H"
     #include "createTime.H"
+    #include "createMesh.H"
+    #include "createFields.H"
 
     // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 

etc/codeTemplates/app/createFields.H

@@ -0,0 +1,13 @@
+Info<< "Reading field p\n" << endl;
+volScalarField p
+(
+    IOobject
+    (
+        "p",
+        runTime.timeName(),
+        mesh,
+        IOobject::MUST_READ,
+        IOobject::AUTO_WRITE
+    ),
+    mesh
+);