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Nwatch
======
Slightly friendlier version of the suggested script in the manual page for
[`ndiff(1)`](http://linux.die.net/man/1/ndiff) from the
[Nmap](http://nmap.org/) suite, implemented in Bash.
Usage:
$ nwatch HOSTLIST CACHEDIR
Example with root privileges:
# nwatch /etc/nwatch.mynet /var/cache/nwatch/mynet
Prints the results of an `ndiff(1)` call against the last known scan to stdout;
intended to be called from `cron(8)`:
0 0 * * 0 nwatch /etc/nwatch.mynet /var/cache/nwatch/mynet
I recommend you use
[Mail::Run::Crypt](https://metacpan.org/pod/Mail::Run::Crypt), so you don't
leak your network information in plain text in your email.
Please also consider whether your scan actually requires root privileges, and
could not instead be run by a dedicated user with appropriately limited
privileges.
License
-------
Copyright (c) [Tom Ryder](https://sanctum.geek.nz/). Distributed under
[GPLv2](https://www.gnu.org/licenses/gpl-2.0.html), same as Nmap itself; see
`LICENSE`.
Nmap is a registered trademark of Insecure.Com LLC, and this project is not
affiliated with it.
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