ndiff exit codes

[Michael Aroustian <m.aroustian () basecase com>]

Hi there...
I was looking for some help using ndiff perhaps you can help...
I use nmap to scan my network and use ndiff to compare changes...
ive written a script to schedule this daily and all is well but on one of
my machines I get a returncode of 0 from ndiff [indicating no difference]
when there is...
even when i run ndiff from the terminal, and the scans differ, the exit
code is still 0...

os version: Ubuntu 10.04.3 LTS
nmap version: 5.0

ndiff runs as expected on one machine:

os version: Ubuntu 11.10
nmap version: 5.21

does anybody have an idea what maybe wrong?

thanks

-- 
*Michael Aroustian* | QA/IT

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