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Full Discussion: check exit status - Expect Script
Top Forums Shell Programming and Scripting check exit status - Expect Script Post 302154575 by iamcool on Monday 31st of December 2007 09:16:20 AM
Old 12-31-2007
check exit status - Expect Script
from my main script, i am calling an expect script. there are a lot of conditions in the Expect script and it can have any exit value based on success or failure of the Expect Script. how can i check the exit status of Expect scritp in the main script.
 

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LEARN ABOUT DEBIAN

tgn

TGN(1)																	    TGN(1)

NAME

       tgn - a network traffic generator

SYNOPSIS

       tgn [-V] [-v] [-l] [-s random seed] [-w PCAP filename] [-o output speaker] [-c packet count] [-h] [PDU definition]

DESCRIPTION

       tgn is a network traffic generator. It is command-line interface (CLI) program that does the same thing as the send_network command of the
       Network Expect framework. Refer to nexp(1) for additional details regarding the send_network command.

       The only mandatory option is a PDU definition.

       The -c switch allows to specify the number of packets to send. If -c is not provided then the number of packets to send is calculated
       automatically based on the PDU definition.

       -V causes tgn to print its version number and exit.

       The -s flag allows to specify a random seed that will cause predicatibility of pseudo-random numbers generated by tgn during execution of a
       script. In cases where tgn is used as a protocol fuzzer, this option is useful to be able to re-generate a specific test case.

       -v increases the verbosity level. Additional information may be displayed when the verbosity level is higher.

       The -l flag causes tgn to display all available network speakers and exit. See nexp(1) for a discussion of network speakers.

       The -o flag allows to select a specific network speaker for output. Use the -l option to list available speakers. By default, the "ip"
       speaker (kernel-routed IP packet delivery) is tried first and if it is not available, which can happen if tgn is not run with root
       privileges, the "hex" speaker is used.

       The PDU definition is a string that defines a PDU. It uses libpbuild PDU syntax.

EXAMPLES

	   shell# tgn -o eth0 "ip(dst = 192.168.1.1)/icmp-echo(id = 'random')"

	   shell# tgn "ip(src = 192.168.0.1, dst = <192.168.0.10, 192.168.0.11>,ttl = <1, 2>)/" 
	   "tcp(src = 'random', dst = 22..25, window = 16384,syn, seq = 'random', ack-seq = 0)"

	   shell# tgn -w /tmp/cap -c 5 "ether()/ip(dst = 1.2.3.4++)/icmp-echo(seq = 0++)" 
	   && wireshark /tmp/cap

BUGS

       tgn has not been ported to Microsoft Windows.

VERSION

       This man page is correct for version 1.0 of tgn.

SEE ALSO

       nexp-numspec(1), nexp-payload(1), nexp-ether(5), nexp-gre(5), nexp-ip(5), nexp-mpls(5), nexp(1)

AUTHOR

       Network Expect was written by Eloy Paris <peloy@netexpect.org>. However, Network Expect borrows ideas from lots of Open Source tools like
       Nemesis, Packit, hping, Expect, and Scapy. The Network Expect author is indebted to the authors of these tools for their contribution.

       This man page was written by Eloy Paris.

								 09 September 2009							    TGN(1)
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