STYLE: remove superfluous uses of argList::validArgs.clear()

- a holdover from the old <root> <case> days

applications/test/FixedList/FixedListTest.C

@@ -43,7 +43,6 @@ using namespace Foam;
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.clear();
     argList args(argc, argv);
 
     FixedList<label, 4> list;

applications/test/ODETest/ODETest.C

@@ -104,7 +104,6 @@ public:
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.clear();
     argList::validArgs.append("ODESolver");
     argList args(argc, argv);
 

applications/test/prefixOSstream/prefixOSstreamTest.C

@@ -45,7 +45,6 @@ using namespace Foam;
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.clear();
     argList args(argc, argv);
 
     //Pout.prefix() = '[' + name(Pstream::myProcNo()) + "] ";

applications/test/readCHEMKINIII/readCHEMKINIII.C

@@ -35,7 +35,6 @@ using namespace Foam;
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.clear();
     argList::validArgs.append("CHEMKINIIIFile");
     argList::addOption("thermo", "fileName");
     argList args(argc, argv);

applications/utilities/mesh/manipulation/mergeMeshes/mergeMeshes.C

@@ -61,8 +61,6 @@ int main(int argc, char *argv[])
     );
 
     argList::noParallel();
-    argList::validArgs.clear();
-
     argList::validArgs.append("masterCase");
     argList::addOption
     (

applications/utilities/mesh/manipulation/objToVTK/objToVTK.C

@@ -110,7 +110,6 @@ labelList parseVertices(const string& line)
 int main(int argc, char *argv[])
 {
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("OBJ file");
     argList::validArgs.append("output VTK file");
     argList args(argc, argv);

applications/utilities/miscellaneous/expandDictionary/expandDictionary.C

@@ -44,7 +44,6 @@ int main(int argc, char *argv[])
 {
     argList::noBanner();
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("inputDict");
     argList args(argc, argv);
 

applications/utilities/preProcessing/mapFields/mapFields.C

@@ -232,7 +232,6 @@ int main(int argc, char *argv[])
         "map volume fields from one mesh to another"
     );
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("sourceCase");
 
     argList::addOption

applications/utilities/surface/surfaceAdd/surfaceAdd.C

@@ -51,7 +51,6 @@ int main(int argc, char *argv[])
     );
 
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("output surfaceFile");

applications/utilities/surface/surfaceAutoPatch/surfaceAutoPatch.C

@@ -46,7 +46,6 @@ using namespace Foam;
 int main(int argc, char *argv[])
 {
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("input surfaceFile");
     argList::validArgs.append("output surfaceFile");
     argList::validArgs.append("includedAngle [0..180]");

applications/utilities/surface/surfaceCheck/surfaceCheck.C

@@ -173,10 +173,7 @@ labelList countBins
 int main(int argc, char *argv[])
 {
     argList::noParallel();
-
-    argList::validArgs.clear();
     argList::validArgs.append("surfaceFile");
-
     argList::addBoolOption
     (
         "checkSelfIntersection",

applications/utilities/surface/surfaceClean/surfaceClean.C

@@ -46,7 +46,6 @@ using namespace Foam;
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.clear();
     argList::noParallel();
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("min length");

applications/utilities/surface/surfaceCoarsen/surfaceCoarsen.C

@@ -64,7 +64,6 @@ int mapVertex(::List<int>& collapse_map, int a, int mx)
 int main(int argc, char *argv[])
 {
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("reductionFactor");
     argList::validArgs.append("output surfaceFile");

applications/utilities/surface/surfaceConvert/surfaceConvert.C

@@ -64,7 +64,6 @@ int main(int argc, char *argv[])
     );
 
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("inputFile");
     argList::validArgs.append("outputFile");
 

applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtract.C

@@ -95,8 +95,6 @@ int main(int argc, char *argv[])
         "extract and write surface features to file"
     );
     argList::noParallel();
-
-    argList::validArgs.clear();
     argList::validArgs.append("surface");
     argList::validArgs.append("output set");
 

applications/utilities/surface/surfaceFind/surfaceFind.C

@@ -40,16 +40,14 @@ using namespace Foam;
 int main(int argc, char *argv[])
 {
     argList::noParallel();
-    argList::validArgs.clear();
+    argList::validArgs.append("surfaceFile");
     argList::addOption("x", "X", "The point x-coordinate (if non-zero)");
     argList::addOption("y", "Y", "The point y-coordinate (if non-zero)");
     argList::addOption("z", "Z", "The point y-coordinate (if non-zero)");
 
-    argList::validArgs.append("surfaceFile");
-
     argList args(argc, argv);
 
-    point samplePt
+    const point samplePt
     (
         args.optionLookupOrDefault<scalar>("x", 0),
         args.optionLookupOrDefault<scalar>("y", 0),

applications/utilities/surface/surfaceOrient/surfaceOrient.C

@@ -45,7 +45,6 @@ int main(int argc, char *argv[])
     );
 
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("visiblePoint");
     argList::validArgs.append("output surfaceFile");

applications/utilities/surface/surfacePointMerge/surfacePointMerge.C

@@ -42,7 +42,6 @@ using namespace Foam;
 int main(int argc, char *argv[])
 {
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("merge distance");
     argList::validArgs.append("output surfaceFile");

applications/utilities/surface/surfaceRefineRedGreen/surfaceRefineRedGreen.C

@@ -47,7 +47,6 @@ using namespace Foam;
 int main(int argc, char *argv[])
 {
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("output surfaceFile");
     argList args(argc, argv);

applications/utilities/surface/surfaceSmooth/surfaceSmooth.C

@@ -42,7 +42,6 @@ int main(int argc, char *argv[])
 {
     argList::noParallel();
     argList::validOptions.clear();
-    argList::validArgs.clear();
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("underrelax factor (0..1)");
     argList::validArgs.append("iterations");

applications/utilities/surface/surfaceSplitByPatch/surfaceSplitByPatch.C

@@ -42,8 +42,7 @@ int main(int argc, char *argv[])
     );
 
     argList::noParallel();
-    argList::validArgs.clear();
+    argList::validArgs.append("input surfaceFile");
-    argList::validArgs.append("input file");
     argList args(argc, argv);
 
     const fileName surfName = args[1];

applications/utilities/surface/surfaceSplitNonManifolds/surfaceSplitNonManifolds.C

@@ -671,8 +671,6 @@ int main(int argc, char *argv[])
         "split multiply connected surface edges by duplicating points"
     );
     argList::noParallel();
-    argList::validArgs.clear();
-
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("output surfaceFile");
     argList::addBoolOption

applications/utilities/surface/surfaceSubset/surfaceSubset.C

@@ -47,7 +47,6 @@ using namespace Foam;
 int main(int argc, char *argv[])
 {
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("surfaceSubsetDict");
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("output surfaceFile");

applications/utilities/surface/surfaceTransformPoints/surfaceTransformPoints.C

@@ -60,7 +60,6 @@ int main(int argc, char *argv[])
         "Like transformPoints but for surfaces."
     );
     argList::noParallel();
-    argList::validArgs.clear();
     argList::validArgs.append("surfaceFile");
     argList::validArgs.append("output surfaceFile");
     argList::addOption

applications/utilities/thermophysical/adiabaticFlameT/adiabaticFlameT.C

@@ -49,7 +49,6 @@ typedef specieThermo<janafThermo<perfectGas> > thermo;
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.clear();
     argList::validArgs.append("controlFile");
     argList args(argc, argv);
 

applications/utilities/thermophysical/chemkinToFoam/chemkinToFoam.C

@@ -38,7 +38,6 @@ using namespace Foam;
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.clear();
     argList::validArgs.append("CHEMKINFile");
     argList::validArgs.append("CHEMKINThermodynamicsFile");
     argList::validArgs.append("FOAMChemistryFile");

applications/utilities/thermophysical/equilibriumFlameT/equilibriumFlameT.C

@@ -50,7 +50,6 @@ typedef specieThermo<janafThermo<perfectGas> > thermo;
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.clear();
     argList::validArgs.append("controlFile");
     argList args(argc, argv);
 

applications/utilities/thermophysical/mixtureAdiabaticFlameT/mixtureAdiabaticFlameT.C

@@ -49,7 +49,6 @@ typedef specieThermo<janafThermo<perfectGas> > thermo;
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.clear();
     argList::validArgs.append("controlFile");
     argList args(argc, argv);