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Full Discussion: Compare IP addresses and increment
Top Forums Shell Programming and Scripting Compare IP addresses and increment Post 302859807 by Manu1234567 on Thursday 3rd of October 2013 11:58:01 PM
Old 10-04-2013
Compare IP addresses and increment
Basically, I have 2 files with IP address. For example 134.123.3.234 in the first file and 134.123.3.235 in the second. Now I want to create a file with a IP address with IP 134.123.3.236...(max 254). So i have to check files which IP address in previous two files and base on that to create a new file with the next IP address which is 134.123.3.236. I wanted to check last number of IP...If it is 254 then increment +1 to third number....


Code:
for ip in {0..254}
do
if "192.168.${ip}.${j}" > $file
 echo "192.168.${ip}.${j}"> Newfile.txt
for j in {0..254}
 do
if "192.168.${ip}.${j}">$file then 
echo "192.168.${ip}.${j}"> Newfile1.txt
done
done

Basically, this code is not correct. Have no idea how to solve this problem. Hope you will help me....thanks.
Last edited by Don Cragun; 10-04-2013 at 01:36 AM.. Reason: Add CODE tags
 

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LEARN ABOUT OPENSOLARIS

prtdscp

prtdscp(1M)						  System Administration Commands					       prtdscp(1M)

NAME

       prtdscp - display DSCP IP addresses

SYNOPSIS

       prtdscp [-v ]

       prtdscp [-v ] -h

       prtdscp [-v ] -d

       prtdscp [-v ] -s

DESCRIPTION

       prtdscp	displays  the  IP addresses associated with a Domain to Service Processor Communications Protocol (DSCP) link. If no arguments are
       specified, prtdscp displays the IP addresses on both ends of the DSCP link. The IP address of either the Service Processor or  domain  side
       can be displayed separately by the use of the -s or -d options, respectively.

OPTIONS

       The following options are supported:

       -v    Verbose mode. Print additional details about the program's internal progress to stderr.

       -h    Help. Print a brief synopsis of the program's usage and exit. All other command line arguments are ignored.

       -d    Display only the local domain's IP address.

       -s    Display only the remote Service Processor's IP address.

EXAMPLES

       Example 1 Displaying both addresses

       The following example displays both the local domain's IP address and the remote SP's IP address:

	 # prtdscp
	 Domain Address: 192.168.103.2
	 SP Address: 192.168.103.1

       Example 2 Displaying the local IP address

       The following example displays the local domain's IP address:

	 # prtdscp -d
	 192.168.103.2

       Example 3 Displaying the remote IP address

       The following example display the remote SP's IP address:

	 # prtdscp -s
	 192.168.103.1

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWdscpr.u, SUNWdscpu.u	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

SunOS 5.11							    25 Apr 2006 						       prtdscp(1M)
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