From 1050fa99adc921b95e0dd57b7af1a9d6352706e0 Mon Sep 17 00:00:00 2001
From: Tom Hey <Tom.Hey@geniusdigital.tv>
Date: Mon, 16 Feb 2015 22:38:57 +0000
Subject: [PATCH 1/2] Fix debug flag handling (also switch changeInterface
 debug option to match readInterface)

---
 changeInterface.awk | 11 ++++++++---
 readInterfaces.awk  |  5 ++++-
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/changeInterface.awk b/changeInterface.awk
index b50e480..51abcdb 100644
--- a/changeInterface.awk
+++ b/changeInterface.awk
@@ -15,7 +15,7 @@ function writeStatic(addr, nw, nm, gw) {
 function usage() {
     print "awk -f changeInterfaces.awk <interfaces file> device=<eth device> \n" \
         "       [address=<ip addr>] [gateway=<ip addr>] [netmask=<ip addr>]\n" \
-        "       [network=<ip addr>] [mode=dhcp|static] [arg=debug]"
+        "       [network=<ip addr>] [mode=dhcp|static] [debug]"
 }
   
 BEGIN { start = 0;
@@ -26,6 +26,13 @@ BEGIN { start = 0;
     }
   
     for (i = 2; i < ARGC; i++) {
+
+        if (ARGV[i] == "debug") {
+            debug = 1;
+            delete ARGV[i];
+            continue;
+        }
+
         split(ARGV[i], pair, "=");
         if (pair[1] == "address")
             address = pair[2];
@@ -37,8 +44,6 @@ BEGIN { start = 0;
             netmask = pair[2];
         else if (pair[1] == "device")
             device = pair[2];
-        else if (pair[1] == "arg" && pair[2] == "debug")
-            debug = 1;
         else if (pair[1] == "mode" && pair[2] == "dhcp")
             dhcp = 1;
         else if (pair[1] == "mode" && pair[2] == "static")
diff --git a/readInterfaces.awk b/readInterfaces.awk
index 3124762..51e7717 100644
--- a/readInterfaces.awk
+++ b/readInterfaces.awk
@@ -6,10 +6,13 @@ BEGIN { start = 0;
     }
  
     for (i = 2; i < ARGC; i++) {
-        if (ARGV[i] == debug) {
+
+        if (ARGV[i] == "debug") {
             debug = 1;
+            delete ARGV[i];
             continue;
         }
+
         split(ARGV[i], arg, "=");
         if (arg[1] == "device")
             device = arg[2];

From a56fa977d6e8ded5458e3db448ed98600605ddb3 Mon Sep 17 00:00:00 2001
From: Tom Hey <Tom.Hey@geniusdigital.tv>
Date: Tue, 17 Feb 2015 22:01:34 +0000
Subject: [PATCH 2/2] Clean-up debug output (removing comment and blank lines)

---
 readInterfaces.awk | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/readInterfaces.awk b/readInterfaces.awk
index 51e7717..abb1e8e 100644
--- a/readInterfaces.awk
+++ b/readInterfaces.awk
@@ -55,13 +55,24 @@ BEGIN { start = 0;
         }
     }
  
+    if ($1 == "auto")  {
+        static = 0;
+        next;
+    }
+
+    # Skip comment and blank lines
+    if ($0 ~ /^#/ ||
+        $0 ~ /^[ \t]*$/ ) {
+        next;
+    }
+
     # At here, it means we are after the iface static line of
     # after the device we are searching for
     # Scan for the static content
     if (static) {
  
         if (debug)
-            print "static - ", $0, $1;
+            print $0
  
         if ($1 == "address") {
             address = $2;