[RndTbl] Shell programming question

John Lange john.lange at open-it.ca
Mon Apr 4 09:59:30 CDT 2005


On Sat, 2005-04-02 at 20:31, Bill Reid wrote:
> An example connecting to the "daytime" port:
> 
> $ cat </dev/tcp/time.nist.gov/13
> 53463 05-04-03 02:27:51 51 0 0 269.6 UTC(NIST) *

That is a new one! I hadn't noticed it before.

Any mention of how to use it as a two way communication?

What I have in mind is:

echo "GET /" > /dev/tcp/www.server.com/80
cat < /dev/tcp/www.server.com/80 | grep somephrase

-- 
John Lange
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