How To Redirect The Output When We Are Usinf EOF In The Same Line? Post: 303008593

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Top Forums Shell Programming and Scripting How To Redirect The Output When We Are Usinf EOF In The Same Line? Post 303008593 by RudiC on Monday 4th of December 2017 05:44:46 AM

Old

12-04-2017

Registered User

Welcome to the forum.

Please be aware that rlogin is NOT today's tool of choice to connect to network nodes; you may want to consider secure tools, e.g. ssh, instead (if rlogin hasn't been aliased to ssh on your system anyhow, that is).

For error conditions as described you may want to check the command's exit code, either with an if construct:

Code:

if rlogin abc; then ... ; fi

or by evaluating the shell variable $?

Code:

ERRC=$?

IMMEDIATELY after the command was run.

EDIT: With your "here documents" (the data between EOF and EOF), the remote system will try to execute the lines as commands, and if 6 and n are not installed / aliased, you'll have error exit codes as well, although the nodes are readily available on the net.

Last edited by RudiC; 12-04-2017 at 06:53 AM..

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LEARN ABOUT DEBIAN

xrlogin

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)