From 0db3a569b697352119a4b8c0faf8345cd629db35 Mon Sep 17 00:00:00 2001
From: jbjohnso <jbjohnso@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Tue, 25 Mar 2008 20:18:14 +0000
Subject: [PATCH] -pping exits cleanly with empty or invalid noderange

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@887 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-client-2.0/bin/pping | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xCAT-client-2.0/bin/pping b/xCAT-client-2.0/bin/pping
index 1303daa33..0d464e178 100755
--- a/xCAT-client-2.0/bin/pping
+++ b/xCAT-client-2.0/bin/pping
@@ -76,6 +76,9 @@ if ($interface) {
 }
 
 #exec "fping ".join(' ',@nodes). " 2> /dev/null";
+unless (scalar(@nodes)) {
+   exit;
+}
 open (FPING, "fping ".join(' ',@nodes). " 2> /dev/null|") or die("Cannot open fping pipe: $!");
 while (<FPING>) {
   if ($_ =~ /is unreachable/) {