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Top Forums Shell Programming and Scripting How to call "if NOT test; then..." Post 302298165 by vidyadhar85 on Monday 16th of March 2009 11:14:22 PM
Old 03-17-2009
you have to do something like this...

Code:
ping -c 2 -s 100 -w 1 ipaddress >/dev/null
if [ $? -eq 1 ] ; then
echo "ping failed"
else
echo "pinging"
fi

 

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dceping(8)																dceping(8)

NAME
dceping - test the ability to contact DCE services from a local DCE client. SYNOPSIS
dceping [-n number] [-s time] [-v] [-C] [service_name ...] required to specify the literal strings, NAMESPACE or STRING_BINDING (see nond- cesvc(4)). OPTIONS
-n number Specify the number of pinging cycles. Each service is tested once per cycle. The default is one pinging cycle. Specifying -n 0 makes pinging continuous. -s time Specify time, in seconds, to wait between pinging cycles. You must specify more than one pinging cycle with the -n option in order to use -s. -v Run in verbose mode. -C Ping only core DCE services. This option is ineffective if a service_name is specified on the command line. DESCRIPTION
dceping verifies that a local DCE client can communicate with DCE and other services. It uses the RPC management interface to determine if the DCE service is listening. The core DCE services that dceping checks include secd, cdsd, gdad, rpcd, cdsadv, dtsd, and sec_clientd. You can ping other DCE and non-DCE services by naming them in the file, /opt/dcelocal/hpadmin/etc/nondcesvc. If you want to determine at run time what services you want dceping to ping, you may do so using the same file. See the manpage, nondcesvc(4), for more information. You may specify the services to ping on the command line separated by blanks. In this case, dceping does not ping any DCE core services or the services listed in /opt/dcelocal/hpadmin/etc/nondcesvc. The service_name specified could be either a name in the DCE Cell Directory Service Namespace or an RPC string binding. It is not AUTHOR
dceping was developed by HP. FILES
/opt/dcelocal/hpadmin/etc/nondcesvc /opt/dcelocal/hpadmin/etc/wellknownif SEE ALSO
nondcesvc(4), wellknownif(4) HP DCE
dceping(8)
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