From 8a186d252bf848dcbfac2c6de39b2c5b635c0889 Mon Sep 17 00:00:00 2001
From: borekon <alfonso@vivancos.eu>
Date: Thu, 27 Oct 2022 11:19:59 +0000
Subject: [PATCH] =?UTF-8?q?A=C3=B1adir=20'ip2host.sh'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ip2host.sh | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 ip2host.sh

diff --git a/ip2host.sh b/ip2host.sh
new file mode 100644
index 0000000..579e7b2
--- /dev/null
+++ b/ip2host.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+if [ -z "$1" ]
+then
+    echo "You must specify a filename to read from"
+    exit 1;
+fi
+if [ ! -f "$1" ]
+then
+    echo "File $1 does not exist or is not a file"
+    exit 1;
+fi
+while read ip n
+do
+   # Uncomment following to use /etc/hosts
+   # name=$(awk -v ip=$ip '$1 ~ ip{print $2}' /etc/hosts)
+   # Uncomment following to use nslookup
+   # name=$(nslookup $ip| grep "name ="|sed 's/.*=//')
+   # Uncomment following line to use dig (thanks to Charles Duffy)
+   #name=$(dig +short -x $ip)i
+   resolvedIP=$(dig +short -x "$ip")
+   [[ -z "$resolvedIP" ]] && echo "$ip" lookup failure || echo "$ip" resolved to "$resolvedIP"
+done < $1