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Full Discussion: Using telnet in my shell script
Top Forums Shell Programming and Scripting Using telnet in my shell script Post 302837979 by Lem on Sunday 28th of July 2013 06:42:07 AM
Old 07-28-2013
Quote:
Originally Posted by umarsatti
Hello Guys,
Since I need to fire a lot requests so I would like to optimize it using a shell script to avoid telnetting each time and do the arduous manual actions, can some body assist me, how to fire a request after triggering telnet in the script.
Hi!
Of course zaxxon is right.

However... this below is a bash function I use to telnet my tplink router and reset its adsl connection to my provider.

Code:
adslreconnect () {
      ( echo "$myuser";
	sleep 1;
	echo "$mypassword";
	sleep 1;
	echo "ppp config 0.8.35 0 down";
	sleep 1;
	echo "ppp config 0.8.35 0 up";
	sleep 1;
	echo "exit") | telnet tplink >/dev/null 2>&1; }

I think you can pretty easily adapt the code above to do what _you_ wanna do instead: send _your_ requests and redirect stdout and stderr wherever you like (not to /dev/null, I guess).
 

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LEARN ABOUT DEBIAN

rxtelnet

RXTELNET(1)						    BSD General Commands Manual 					       RXTELNET(1)

NAME

     rxtelnet -- start a telnet and forward X-connections.

SYNOPSIS

     rxtelnet [-l username] [-k] [-t telnet_args] [-x xterm_args] [-K kx_args] [-w term_emulator] [-b telnet_program] [-n] [-v] host [port]

DESCRIPTION

     The rxtelnet program starts an xterm window with a telnet to host host.  From this window you will also be able to run X clients that will be
     able to connect securely to your X server. If port is given, that port will be used instead of the default.

     If setting up the X forwarding failes, rxtelnet will still telnet in to the remote host, but without X forwarding.

     The supported options are:

     -l      Log in on the remote host as user username.

     -k      Disables keep-alives.

     -t      Send telnet_args as arguments to telnet.

     -x      Send xterm_args as arguments to xterm.

     -X      Send kx_args as arguments to kx.

     -w      Use term_emulator instead of xterm.

     -b      Use telnet_program instead of telnet.

     -n      Do not start any terminal emulator.

     -v      Be verbose.

EXAMPLE

     To login from host foo (where your display is) to host bar, you might do the following.

     1.   On foo: rxtelnet bar

     2.   You will get a new window with a telnet to bar.  In this window you will be able to start X clients.

SEE ALSO

     kx(1), rxterm(1), telnet(1), tenletxr(1), kxd(8)

KTH_KRB 							   March 7, 2004							   KTH_KRB
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