From 4a0a540cd030673ed9046cd66c57abff235ad517 Mon Sep 17 00:00:00 2001
From: Hong Phuc Nguyen <xnohat@gmail.com>
Date: Mon, 22 May 2017 03:58:48 +0700
Subject: [PATCH 1/2] Fix bug in check number of arguments

Fix bug in check number of arguments not allow to set max threads
---
 nginx-cache-inspector | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nginx-cache-inspector b/nginx-cache-inspector
index 1a54bf7..967bcbf 100755
--- a/nginx-cache-inspector
+++ b/nginx-cache-inspector
@@ -37,7 +37,7 @@ function print_usage() {
 }
 
 ## Check the number of arguments.
-if [ $# -ne 2 ]; then
+if [ $# -ne 2 ] && [ $# -ne 3 ]; then
     print_usage
     exit 1
 fi

From 2217a409a9610a169a860741b8d91f446277375a Mon Sep 17 00:00:00 2001
From: Hong Phuc Nguyen <xnohat@gmail.com>
Date: Mon, 10 Jul 2017 17:45:16 +0700
Subject: [PATCH 2/2] Fix bug cannot get TTL

---
 nginx-cache-inspector | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nginx-cache-inspector b/nginx-cache-inspector
index 967bcbf..edef3e3 100755
--- a/nginx-cache-inspector
+++ b/nginx-cache-inspector
@@ -64,7 +64,7 @@ function get_cache_item_key() {
 ## Get a cache item TTL.
 ## $1 - cache file.
 function get_cache_item_ttl() {
-    od -dL $1 | sed -n '2p' | awk '{print $1 - $2}'
+    od -dL $1 | sed -n '4p' | awk '{print $2 - $1}'
 } # get_cache_item_ttl
 
 ## Inspects an item from the given cache zone.