Bash script to convert nmap xml output to html

nmap_to_html.sh

#!/bin/bash

if [ $# -eq 0 ]
  then
    echo "No arguments supplied!"
    echo "Usage:"
    echo "./nmap_to_html <IP Range>"
    exit 1
fi

echo "[*] Starting scan"
nmap -sP -oX scan.xml $1 
if [ $? -ne 0 ]; then
    echo "[!] Error while executing nmap"
    exit 1
fi
xsltproc scan.xml -o scan.html
if [ $? -ne 0 ]; then
    echo "[!] Error while converting xml to html"
    exit 1
fi
echo "[*] Html file created"