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Full Discussion: silent telnet
Top Forums UNIX for Dummies Questions & Answers silent telnet Post 6849 by cgardiner on Thursday 13th of September 2001 02:33:26 PM
Old 09-13-2001
Data silent telnet

I have been using the following code for sending out an email from a AIX UNIX platform.

cat filename | telnet mailhost 25 >/dev/null

Time to time I get a message

loopback: A specified file does not support the ioctl system call.

Can anyone tell me what this means? I need this function to be silent or it will be a problem since it is a cron task.

Is mpack an answer?.. this file is not an attachment. The file is in HTML format with MIME headers.
 

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telnetrc(4)							   File Formats 						       telnetrc(4)

NAME
telnetrc - file for telnet default options DESCRIPTION
The .telnetrc file contains commands that are executed when a connection is established on a per-host basis. Each line in the file con- tains a host name, one or more spaces or tabs, and a telnet(1) command. The host name, DEFAULT, matches all hosts. Lines beginning with the pound sign (#) are interpreted as comments and therefore ignored. telnet(1) commands are case-insensitive to the contents of the .telnetrc file. The .telnetrc file is retrieved from each user's HOME directory. EXAMPLES
Example 1: A sample file. In the following example, a .telnetrc file executes the telnet(1) command, toggle: weirdhost toggle crmod # Always export $PRINTER DEFAULT environ export PRINTER The lines in this file indicate that the toggle argument crmod, whose default value is "off" (or FALSE), should be enabled when connecting to the system weirdhost. In addition, the value of the environment variable PRINTER should be exported to all systems. In this case, the DEFAULT keyword is used in place of the host name. FILES
$HOME/.telnetrc SEE ALSO
telnet(1), in.telnetd(1M), environ(5) SunOS 5.10 9 Jan 1998 telnetrc(4)
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