topic Re: use telnet to retrieve web page in script in Operating System - Linux

use telnet to retrieve web page in script

Charles Li_1 — Wed, 29 Oct 2003 08:54:45 GMT

I have use the following in HP-UX and it works:
++++++++++++++++++++++++
telnet server port <GET /page
EOF
++++++++++++++++++++++++
In HP-UX it displays the content of the page.
But in Linux, it does not. What do I need to change to make it work in Linux. I am using RedHat. Thanks.

Re: use telnet to retrieve web page in script

Alexander Chuzhoy — Wed, 29 Oct 2003 09:06:24 GMT

telnet servername port
GET http://site/page

works fine on my redhat

Re: use telnet to retrieve web page in script

Huc_1 — Wed, 29 Oct 2003 09:06:59 GMT

Try wget

best read man wget first

Tell us if you need more

J-P

Re: use telnet to retrieve web page in script

Mark Grant — Wed, 29 Oct 2003 09:11:00 GMT

I don't understand why this works at all in anything. The http protocol requires you send a get , the url and the HTTP version and the hostname before you get any response from teh server.

Perhaps you could tell us how it isn't working but try sending a string like this

GET /page HTTP/1.1\nHost: $HOSTNAME\n\n

Re: use telnet to retrieve web page in script

Charles Li_1 — Wed, 29 Oct 2003 09:11:27 GMT

Thanks. wget works. I was using the telnet in a script, and it did not work. Thanks for all your replies.

Re: use telnet to retrieve web page in script

Stuart Browne — Wed, 29 Oct 2003 18:08:42 GMT

Mark, A HTTP in it's most bastardised way can be used as above. If following protocol you need other bits and pieces.

Charles, using wget is your best option (or using 'lynx -source'), but the reason your telnet routne didn't work is because it was exiting as soon as it had sent the string.

The trick to doing that sort of thing with telnet is to 'sleep' for a while to await the response. Please note however that this is a truely dumb way to do it :P But it can be done. e.g.

( echo "GET /page"; sleep 5 ) | telnet host port

Re: use telnet to retrieve web page in script

Charles Li_1 — Thu, 15 Sep 2005 10:29:46 GMT