nc missing option -z

[Cameron Simpson]

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.
-- 
Cameron Simpson <cs at zip.com.au>