#!/bin/bash

curl --help &> /dev/null && lynx --help &> /dev/null && sed --help &> /dev/null && which host &> /dev/null;

if [ $? -ne 0 ]
 then
   echo "host, curl, lynx, and/or sed are required for this script..";
   exit 2;
fi


if ! host command-not-found.com &> /dev/null;
 then
   echo "command-not-found.com is not resolving..";
   exit 1;
fi

if [ "$1" ]
 then
   echo "Command-not-found.com results:";
   echo -e "\n";
   curl -sS -L https://command-not-found.com/$1 | lynx --stdin --dump | \
	   sed -n -e '/Install/,/INS/p' | sed 's/\[INS\: \:INS\]//g';
 else
   echo "null argument given.. quitting";
   echo "example: cnf whois";
   exit 3;
fi