From: Stephen Hemminger <shemminger@freekitty.localdomain>
Date: Tue, 9 May 2006 17:56:53 +0000 (-0700)
Subject: if you simply run `ifcfg iface`, you get:
X-Git-Tag: v2.6.19-061214~68
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58bb642f72314c44c14ba958d78eab64244968ed;p=thirdparty%2Fiproute2.git

if you simply run `ifcfg iface`, you get:
/sbin/ifcfg: line 25: [: too many arguments
/sbin/ifcfg: line 26: [: -ge: unary operator expected
/sbin/ifcfg: line 27: [: -ge: unary operator expected
/sbin/ifcfg: line 28: [: -ge: unary operator expected

might i suggest the attached patch
-mike
---

diff --git a/ip/ifcfg b/ip/ifcfg
index ed6960f7a..fb0fe51be 100644
--- a/ip/ifcfg
+++ b/ip/ifcfg
@@ -86,6 +86,10 @@ if [ "$peer" != "" ]; then
   fi
   pfx="$ipaddr peer $peer"
 else
+  if [ "$ipaddr" = "" ]; then
+    echo "Missing IP address argument." 1>&2
+    exit 1
+  fi
   if [ "$pfxlen" = "" ]; then
     ABCMaskLen $ipaddr
     pfxlen=$?