commit 58bb642f72314c44c14ba958d78eab64244968ed
author Stephen Hemminger <shemminger@freekitty.localdomain> Tue May 09 10:56:53 2006 -0700
committer Stephen Hemminger <shemminger@freekitty.localdomain> Tue May 09 10:56:53 2006 -0700
tree cd0e80823ed03401f10819173c538c4f484a3f18
parent adeb6bf25e5460d1f70e48f2fb63eaa986c3c669

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

ip/ifcfg

diff --git a/ip/ifcfg b/ip/ifcfg
index ed6960f..fb0fe51 100644
--- a/ip/ifcfg
+++ b/ip/ifcfg
@@ -86,6 +86,10 @@
   fi
   pfx="$ipaddr peer $peer"
 else
+  if [ "$ipaddr" = "" ]; then
+    echo "Missing IP address argument." 1>&2
+    exit 1
+  fi
   if [ "$pfxlen" = "" ]; then
     ABCMaskLen $ipaddr
     pfxlen=$?