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Script to determine server IP

 
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Old 10-21-2015
Script to determine server IP
Need help with the script, I am trying to include this script as part of kickstart profile.

based of the host's IP address, in this case if the host is IP starting with 10.10.3.* or 10.10.6.*, I will be pushing appropriate routing file from my web server.

I validate host IP from nslookup.

Code:
#!/bin/bash
SHORT=`hostname -s`
IP=`nslookup $SHORT | grep 10.10.3 | awk '{print $2}'`
if [ $IP -eq ^10.10.3 ]
then
        echo "Server has $IP IP address"
else
        IP6=`nslookup $SHORT | grep 10.10.6 | awk '{print $2}'`
        echo "sever has $IP6 IP address"
fi


it is failing with this error message, please suggest.

Code:
# /tmp/csip
/tmp/csip: line 4: [: 10.10.3.13: integer expression expected
sever has  IP address

Thanks,
 
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atf-sh

ATF-SH(1)						    BSD General Commands Manual 						 ATF-SH(1)

NAME

     atf-sh [-s shell] -- interpreter for shell-based test programs

SYNOPSIS

     atf-sh script

DESCRIPTION

     atf-sh is an interpreter that runs the test program given in script after loading the atf-sh(3) library.

     atf-sh is not a real interpreter though: it is just a wrapper around the system-wide shell defined by ATF_SHELL.  atf-sh executes the inter-
     preter, loads the atf-sh(3) library and then runs the script.  You must consider atf-sh to be a POSIX shell by default and thus should not
     use any non-standard extensions.

     The following options are available:

     -s shell	  Specifies the shell to use instead of the value provided by ATF_SHELL.

ENVIRONMENT

     ATF_LIBEXECDIR    Overrides the builtin directory where atf-sh is located.  Should not be overridden other than for testing purposes.
     ATF_PKGDATADIR    Overrides the builtin directory where libatf-sh.subr is located.  Should not be overridden other than for testing purposes.
     ATF_SHELL	       Path to the system shell to be used in the generated scripts.  Scripts must not rely on this variable being set to select a
		       specific interpreter.

EXAMPLES

     Scripts using atf-sh(3) should start with:

	   #! /usr/bin/env atf-sh

     Alternatively, if you want to explicitly choose a shell interpreter, you cannot rely on env(1) to find atf-sh.  Instead, you have to hardcode
     the path to atf-sh in the script and then use the -s option afterwards as a single parameter:

	   #! /path/to/bin/atf-sh -s/bin/bash

ENVIRONMENT

     ATF_SHELL	  Path to the system shell to be used in the generated scripts.

SEE ALSO

     atf-sh(3)

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								September 27, 2014							       BSD