Re: nc missing option -z

[Cameron Simpson]

On 13Feb2013 03:21, Suvayu Ali  wrote:
| I used to use netcat to check if a particular host is up or if I have
| internet connection before I run a few scripts. [...]
| Any ideas what happened to it?  What can I use as replacement?

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

No default route - no general purpose internet connection.
A default route but no connectivity? Then something else is wrong that
needs fixing anyway.

Cheers,