ENH: support 'get()' for retrieving argList options

- previously only had 'opt<..>()' for options, but 'get<..>()'
  provides more similarity with dictionary methods.
  The 'opt<..>()' method is retained.

applications/solvers/basic/potentialFoam/createFields.H

@@ -40,7 +40,7 @@ if (args.found("initialiseUBCs"))
 // converting fixed-value BCs to zero-gradient and vice versa.
 
 // Allow override from command-line -pName option
-const word pName = args.opt<word>("pName", "p");
+const word pName = args.get<word>("pName", "p");
 
 // Infer the pressure BCs from the velocity
 wordList pBCTypes

applications/solvers/basic/potentialFoam/overPotentialFoam/createFields.H

@@ -40,7 +40,7 @@ if (args.found("initialiseUBCs"))
 // converting fixed-value BCs to zero-gradient and vice versa.
 
 // Allow override from command-line -pName option
-const word pName = args.opt<word>("pName", "p");
+const word pName = args.get<word>("pName", "p");
 
 // Infer the pressure BCs from the velocity
 wordList pBCTypes

applications/solvers/lagrangian/DPMFoam/createFields.H

@@ -121,7 +121,7 @@ volScalarField alphac
 
 const word kinematicCloudName
 (
-    args.opt<word>("cloud", "kinematicCloud")
+    args.get<word>("cloud", "kinematicCloud")
 );
 
 Info<< "Constructing kinematicCloud " << kinematicCloudName << endl;

applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/createFields.H

@@ -59,7 +59,7 @@ volScalarField mu
 
 const word kinematicCloudName
 (
-    args.opt<word>("cloud", "kinematicCloud")
+    args.get<word>("cloud", "kinematicCloud")
 );
 
 Info<< "Constructing kinematicCloud " << kinematicCloudName << endl;

applications/solvers/lagrangian/uncoupledKinematicParcelFoam/createFields.H

@@ -51,7 +51,7 @@ autoPtr<compressible::turbulenceModel> turbulence
 
 const word kinematicCloudName
 (
-    args.opt<word>("cloud", "kinematicCloud")
+    args.get<word>("cloud", "kinematicCloud")
 );
 
 Info<< "Constructing kinematicCloud " << kinematicCloudName << endl;

applications/test/argList/Test-argList.C

@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2017-2018 OpenCFD Ltd.
+    Copyright (C) 2017-2019 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -126,7 +126,8 @@ int main(int argc, char *argv[])
     Info<< nl;
     if (args.found("label"))
     {
-        Info<< "-label = " << args.opt<label>("label")
+        Info<< "-label = " << args.get<label>("label")
+            << " or " << args.opt<label>("label")
             #ifdef Foam_argList_1712
             << " or " << args.optionRead<label>("label")  // old-compat
             #endif
@@ -136,7 +137,8 @@ int main(int argc, char *argv[])
 
     if (args.found("scalar"))
     {
-        Info<< "-scalar = " << args.opt<scalar>("scalar")
+        Info<< "-scalar = " << args.get<scalar>("scalar")
+            << " or " << args.opt<scalar>("label")
             #ifdef Foam_argList_1712
             << " or " << args.optionRead<scalar>("scalar") // old-compat
             #endif
@@ -146,7 +148,8 @@ int main(int argc, char *argv[])
 
     if (args.found("string"))
     {
-        Info<< "-string = " << args.opt("string")
+        Info<< "-string = " << args.get("string")
+            << " or " << args.opt("string")
             #ifdef Foam_argList_1712
             << " or " << args.optionRead<scalar>("string")  // old-compat
             #endif

applications/test/checkDecomposePar/Test-checkDecomposePar.C

@@ -86,7 +86,7 @@ int main(int argc, char *argv[])
     instantList times = timeSelector::selectIfPresent(runTime, args);
 
     // Allow override of decomposeParDict location
-    const fileName decompDictFile = args.opt<fileName>("decomposeParDict", "");
+    const fileName decompDictFile = args.get<fileName>("decomposeParDict", "");
 
     wordList regionNames;
     wordList regionDirs;

applications/test/decomposePar/Test-decomposePar.C

@@ -100,8 +100,8 @@ int main(int argc, char *argv[])
     const bool allRegions = args.found("allRegions");
     const bool verbose    = args.found("verbose");
 
-    const label numSubdomains = args.opt<label>("domains", 0);
-    const word methodName = args.opt<word>("method", word::null);
+    const label numSubdomains = args.get<label>("domains", 0);
+    const word methodName = args.get<word>("method", word::null);
 
     // Set time from database
     #include "createTime.H"
@@ -109,7 +109,7 @@ int main(int argc, char *argv[])
     instantList times = timeSelector::selectIfPresent(runTime, args);
 
     // Allow override of decomposeParDict location
-    const fileName decompDictFile = args.opt<fileName>("decomposeParDict", "");
+    const fileName decompDictFile = args.get<fileName>("decomposeParDict", "");
 
     // Get all region names
     wordList regionNames;
@@ -123,7 +123,7 @@ int main(int argc, char *argv[])
     else
     {
         regionNames.resize(1);
-        regionNames.first() = args.opt<word>("region", fvMesh::defaultRegion);
+        regionNames.first() = args.get<word>("region", fvMesh::defaultRegion);
     }
 
     forAll(regionNames, regioni)

applications/test/externalFileCoupler/Test-externalFileCoupler.C

@@ -47,7 +47,7 @@ int main(int argc, char *argv[])
 
     #include "setRootCase.H"
 
-    const label maxCount = args.opt<label>("max", 1000);
+    const label maxCount = args.get<label>("max", 1000);
 
     externalFileCoupler coupler;
 

applications/test/momentOfInertia/Test-momentOfInertia.C

@@ -198,7 +198,7 @@ int main(int argc, char *argv[])
     }
 
     {
-        const label celli = args.opt<label>("cell", 0);
+        const label celli = args.get<label>("cell", 0);
 
         tensorField mI(momentOfInertia::meshInertia(mesh));
 

applications/test/spline/Test-spline.C

@@ -67,7 +67,7 @@ int main(int argc, char *argv[])
 
     bool useBSpline = args.found("B");
     bool useCatmullRom = args.found("CMR");
-    const label nSeg = args.opt<label>("n", 20);
+    const label nSeg = args.get<label>("n", 20);
 
     if (!useCatmullRom && !useBSpline)
     {

applications/test/stringSplit/Test-stringSplit.C

@@ -188,7 +188,7 @@ int main(int argc, char *argv[])
 
     if (args.found("fixed"))
     {
-        const label width = args.opt<label>("fixed");
+        const label width = args.get<label>("fixed");
 
         Info<< "split on fixed width = " << width << nl
             << "~~~~~~~~~~~~~~" << nl;

applications/test/surfaceIntersection/Test-surfaceIntersection.C

@@ -130,7 +130,7 @@ int main(int argc, char *argv[])
     #include "setRootCase.H"
     #include "createTime.H"
 
-    const scalar scaleFactor = args.opt<scalar>("scale", -1);
+    const scalar scaleFactor = args.get<scalar>("scale", -1);
 
     const word outputFile(args.executable() + ".obj");
 
@@ -194,7 +194,7 @@ int main(int argc, char *argv[])
     word mergeOp;
     if (args.found("mergePoints"))
     {
-        cuts.mergePoints(args.opt<scalar>("mergePoints"));
+        cuts.mergePoints(args.get<scalar>("mergePoints"));
         mergeOp = "mergePoints";
     }
     else if (args.found("mergeEdges"))

applications/test/surfaceMeshConvert/Test-surfaceMeshConvert.C

@@ -141,7 +141,7 @@ int main(int argc, char *argv[])
     #include "setRootCase.H"
 
     const bool     optStdout = args.found("stdout");
-    const scalar scaleFactor = args.opt<scalar>("scale", 0);
+    const scalar scaleFactor = args.get<scalar>("scale", 0);
 
     const fileName importName = args[1];
     const fileName exportName = optStdout ? "-stdout" : args[2];

applications/test/tokenize/Test-tokenize.C

@@ -53,7 +53,7 @@ int main(int argc, char *argv[])
 
     argList args(argc, argv, false, true);
 
-    const label repeat = args.opt<label>("repeat", 1);
+    const label repeat = args.get<label>("repeat", 1);
 
     const bool optVerbose = args.found("verbose");
 

applications/test/vtkSeriesWriter/Test-vtkSeriesWriter.C

@@ -47,7 +47,7 @@ int main(int argc, char *argv[])
 
     argList args(argc, argv, false, true);
 
-    const scalar currTime = args.opt<scalar>("time", GREAT);
+    const scalar currTime = args.get<scalar>("time", GREAT);
 
     Info<< "Using currTime = " << currTime << nl
         << "when loading " << (args.size()-1) << " files" << nl << nl;
@@ -103,7 +103,7 @@ int main(int argc, char *argv[])
     {
         vtk::seriesWriter writer;
 
-        writer.scan(args.opt<fileName>("scan"));
+        writer.scan(args.get<fileName>("scan"));
 
         Info<< "scanned for files" << nl;
         writer.print(Info);

applications/utilities/mesh/advanced/combinePatchFaces/combinePatchFaces.C

@@ -383,7 +383,7 @@ int main(int argc, char *argv[])
 
     // Sin of angle between two consecutive edges on a face.
     // If sin(angle) larger than this the face will be considered concave.
-    const scalar concaveAngle = args.opt<scalar>("concaveAngle", 30);
+    const scalar concaveAngle = args.get<scalar>("concaveAngle", 30);
 
     const scalar concaveSin = Foam::sin(degToRad(concaveAngle));
 

applications/utilities/mesh/advanced/splitCells/splitCells.C

@@ -561,7 +561,7 @@ int main(int argc, char *argv[])
     const bool geometry  = args.found("geometry");
     const bool overwrite = args.found("overwrite");
 
-    const scalar edgeTol = args.opt<scalar>("tol", 0.2);
+    const scalar edgeTol = args.get<scalar>("tol", 0.2);
 
     Info<< "Trying to split cells with internal angles > feature angle\n" << nl
         << "featureAngle      : " << featureAngle << nl

applications/utilities/mesh/conversion/ansysToFoam/ansysToFoam.L

@@ -323,7 +323,7 @@ int main(int argc, char *argv[])
         FatalError.exit();
     }
 
-    const scalar scaleFactor = args.opt<scalar>("scale", 1);
+    const scalar scaleFactor = args.get<scalar>("scale", 1);
 
     #include "createTime.H"
 

applications/utilities/mesh/conversion/ccm/ccmToFoam/ccmToFoam.C

@@ -188,7 +188,7 @@ int main(int argc, char *argv[])
     }
 
     // By default, no scaling
-    const scalar scaleFactor = args.opt<scalar>("scale", 1);
+    const scalar scaleFactor = args.get<scalar>("scale", 1);
 
     // Default to binary output, unless otherwise specified
     const IOstream::streamFormat format =