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Full Discussion: Help in parsing expect command's output and remove new lines EXPECT scripting
Top Forums UNIX for Beginners Questions & Answers Help in parsing expect command's output and remove new lines EXPECT scripting Post 303045880 by Chubler_XL on Thursday 16th of April 2020 07:09:40 PM
Old 04-16-2020
Your RE is matching the local echo of hostname -i\r sent earlier. Try this RE .*\r\n(.*)\r\n#

For example:
Code:
set timeout 3
log_user 0
expect "# " {send "hostname -i\r"}
expect {
   -re ".*\r\n(.*)\r\n# " {set addr1 $expect_out(1,string)}
   timeout { puts "Timeout looking for TCP/IP address\n"; }
}
send "exit\r"

puts "TCP/IP address is: $addr1"

 

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LEARN ABOUT DEBIAN

bb-services

BB-SERVICES(5)							File Formats Manual						    BB-SERVICES(5)

NAME

       bb-services - Configuration of TCP network services

SYNOPSIS

       $BBHOME/etc/bb-services

DESCRIPTION

       bb-services contains definitions of how bbtest-net(1) should test a TCP-based network service (i.e. all common network services except HTTP
       and DNS).  For each service, a simple dialogue can be defined to check that the service is functioning normally, and optional flags  deter-
       mine if the service has e.g. a banner or requires SSL- or telnet-style handshaking to be tested.

FILE FORMAT

       bb-services is a text file. A simple service definition for the SMTP service would be this:

	  [smtp]
	     send "mail
quit
"
	     expect "220"
	     options banner

       This  defines  a service called "smtp". When the connection is first established, bbtest-net will send the string "mail
quit
" to the
       service. It will then expect a response beginning with "220".  Any data returned by the service (a so-called "banner") will be recorded and
       included in the status message.

       The full set of commands available for the bb-services file are:

       [NAME] Define  the  name  of  the  TCP service, which will also be the column-name in the resulting display on the test status. If multiple
	      tests share a common definition (e.g. ssh, ssh1 and ssh2 are tested identically), you may list these in a  single  "[ssh|ssh1|ssh2]"
	      definition, separating each service-name with a pipe-sign.

       send STRING

       expect STRING
	      Defines the strings to send to the service after a connection is established, and the response that is expected. Either of these may
	      be omitted, in which case bbtest-net(1) will simply not send any data, or match a response against anything.

	      The send- and expect-strings use standard escaping for non-printable characters. "
" represents a carriage-return (ASCII 13),  "
"
	      represents  a  line-feed	(ASCII 10), "	" represents a TAB (ASCII 8).  Binary data is input as "xNN" with NN being the hexadecimal
	      value of the byte.

       port NUMBER
	      Define the default TCP port-number for this service. If no portnumber is defined, bbtest-net(1) will attempt to lookup the  portnum-
	      ber in the standard /etc/services file.

       options option1[,option2][,option3]
	      Defines test options. The possible options are
		 banner - include received data in the status message
		 ssl - service uses SSL so perform an SSL handshake
		 telnet - service is telnet, so exchange telnet options

FILES

       $BBHOME/etc/bb-services

SEE ALSO

       bbtest-net(1)

Xymon							    Version 4.2.3:  4 Feb 2009						    BB-SERVICES(5)
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