From d8f31f6dede79d1c915251df466c3bc374b26cd6 Mon Sep 17 00:00:00 2001
From: Mark Olesen <Mark.Olesen@esi-group.com>
Date: Wed, 22 Nov 2017 12:04:45 +0100
Subject: [PATCH] STYLE: use HashTable ternary-like lookup in argList

---
 src/OpenFOAM/global/argList/argList.C | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/OpenFOAM/global/argList/argList.C b/src/OpenFOAM/global/argList/argList.C
index 840b03cddc..1f2a8c1af6 100644
--- a/src/OpenFOAM/global/argList/argList.C
+++ b/src/OpenFOAM/global/argList/argList.C
@@ -729,14 +729,13 @@ void Foam::argList::parse
     // 2. environment var FOAM_FILEHANDLER
     // 3. etc/controlDict optimisationSwitches 'fileHandler'
     // 4. system/controlDict 'fileHandler' (not handled here; done in TimeIO.C)
+    // 5. '-fileHandler' commmand-line option
 
     {
-        word handlerType(getEnv("FOAM_FILEHANDLER"));
-        HashTable<string>::const_iterator iter = options_.find("fileHandler");
-        if (iter != options_.end())
-        {
-            handlerType = iter();
-        }
+        word handlerType
+        (
+            options_.lookup("fileHandler", getEnv("FOAM_FILEHANDLER"))
+        );
 
         if (handlerType.empty())
         {