nc missing option -z

[Cameron Simpson]

On 13Feb2013 08:02, Patrick O'Callaghan <pocallaghan at gmail.com> wrote:
| On Wed, 2013-02-13 at 20:31 +1100, Cameron Simpson wrote:
| > On 13Feb2013 01:06, Patrick O'Callaghan <pocallaghan at gmail.com> wrote:
| > | On Wed, 2013-02-13 at 14:40 +1100, Cameron Simpson wrote:
| > | > If I want to know if I have an internet connection I look for a
| > | > default
| > | > route in the output of "netstat -an", thus:
| > | > 
| > | >   netstat -rn | egrep '\''^(default|0\.0\.0\.0) +[1-9]'\'' >/dev/null
| > | 
| > | netstat -an ...
| > 
| > That prints all the existing connections and sockets.
| > -rn prints the routing table.
| 
| I was merely pointing out that your two references to netstat use
| different options.

Oh. Whoops; hadn't noticed my typo. -rn is the option set I meant, and
that I use for "am I connected to the internet?" in my own scripts.
-- 
Cameron Simpson <cs at zip.com.au>

Technique will get you through times of no strength a lot better than
strength will get you through times of no technique.    - the Nealomatic