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Full Discussion: cat & telnet
Top Forums Shell Programming and Scripting cat & telnet Post 302420422 by michealvh on Tuesday 11th of May 2010 02:12:36 PM
Old 05-11-2010
cat & telnet

cat & telnet
hello,

I need some help on using a file with the cat command. I want to set up a telnet connection with a network device with the ip-adress 10.3.0.1. Just executing the command 'telnet 10.3.0.1' gives a menu. For example, to show the help of the menu, you need to type '?'.

Now I want to go through the menu with commands (like '?') that are in a file. For this I want to use the command:
cat filename | telnet 10.3.0.1

When I try this, the telnet connection is established, but then it closes immediately afterwards. So I suppose something's wrong with the file. But I have no idea what the file should look like. For example, do you need to mention the enters after a command in a certain way?

just to be clear: the command in the menu that I want to execute are:
"?" -> enter
"projector" -> enter
"exit" -> enter


thanks in advance,

Michaël
 

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XRLOGIN(1)						      General Commands Manual							XRLOGIN(1)

NAME
xrlogin - start an xterm that uses ssh (or optionally rlogin or telnet) to connect to a remote host SYNOPSIS
xrlogin [-l username] [-rlogin|-telnet] [xterm options] remote-host DESCRIPTION
Xrlogin opens an xterm window and runs ssh, rlogin or telnet to login to a remote host. Xrlogin automatically passes the -name argument to xterm with a value of "xterm-hostname" where hostname is the name of the remote host. This allows the user to specify resources in their server's resource manager which are specific to xterms from a given host. For example, this feature can be used to make all xterm windows to a given remote host be the same color or use a specific font or start up in a spe- cific place on the screen. Xrsh(1) passes the same string so they are compatible in this regard. Xrlogin specifies that the default title for the new xterm will be "hostname" where hostname is the name of the remote host. This and the -name argument above can be overridden with xterm-options on the command line. One could also use xrlogin's sister command xrsh(1) to open a window to a remote host. In the case of xrsh, the xterm would run on the remote host and use X as the connection protocol while xrlogin would run the xterm on the local host and use rlogin or telnet as the con- nection protocol. See xrsh(1) for a discussion of the merits of each scheme. OPTIONS
-l username When not using -telnet, use username as the id to login to the remote host. -rlogin Use the rlogin protocol to open the connection. In general rlogin is preferred because it can be configured to not prompt the user for a password. Rlogin also automatically propagates window size change signals (SIGWINCH) to the remote host so that applications running there will learn of a new window size. -telnet Use the -telnet protocol to open the connection. Use of telnet provided mostly for hosts that don't support rlogin. COMMON PROBLEMS
Make sure that the local host is specified in the .rhosts file on the remote host or in the remote hosts /etc/hosts.equiv file. See rlogin(1) for more information. EXAMPLES
xrlogin -bg red yoda Start a local red xterm which connects to the remote host yoda using rlogin. xrlogin -telnet c70 Open a local xterm which connects to the remote host c70 using telnet. SEE ALSO
xrsh(1), rlogin(1), telnet(1) AUTHOR
James J. Dempsey <jjd@jjd.com> and Stephen Gildea <gildea@intouchsys.com>. X Version 11 Release 6 XRLOGIN(1)
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