From e2cf8f5cf33a975f61d7e42a7334883384dcb857 Mon Sep 17 00:00:00 2001
From: Mark Olesen <Mark.Olesen@Germany>
Date: Fri, 25 Mar 2011 18:20:34 +0100
Subject: [PATCH] ENH: foamCleanPath quick exit on empty 'path'

---
 bin/foamCleanPath | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/bin/foamCleanPath b/bin/foamCleanPath
index 7eae89bc34..8de977df87 100755
--- a/bin/foamCleanPath
+++ b/bin/foamCleanPath
@@ -52,6 +52,11 @@ options:
     - elements whose start matches one of the wildcard(s)
     - inaccessible directories (with the -strip (at your option)
 
+  Exit status
+      0  on success
+      1  for miscellaneous errors.
+      2  initial value of 'path' is empty
+
 USAGE
     exit 1
 }
@@ -81,6 +86,9 @@ done
 dirList="$1"
 shift
 
+[ -n "$1" ] || exit 2    # quick exit on empty 'dirList'
+
+
 ##DEBUG echo "input>$dirList<" 1>&2
 
 # preserve current IFS and split on colon or whitespace