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Full Discussion: filtering out certain output
Top Forums UNIX for Dummies Questions & Answers filtering out certain output Post 302710783 by prodigy06 on Friday 5th of October 2012 12:57:31 AM
Old 10-05-2012
do you mean to do it like this?

Code:
DEV=$1

symdg show $DEV -sid 123 >> showdev.txt

awk '
    /----/ { next; }
    /Meta Device Members/ {
        snarf = 1;
        split( $(NF-1), a, "(" );
        n = a[2]+0;
        next;
    }

    snarf == 1 && $1 == "Dev" { snarf = 2; next; }

    n > 0 && snarf > 1 {
        gsub( "-->", "" );
        n--;
        printf( "delete dev %s\n", $1 );
        next;
    }
' showdev.txt

its giving out

awk: syntax error near line 13
awk: illegal statement near line 13

---------- Post updated at 12:57 PM ---------- Previous update was at 12:33 PM ----------

i just thought about it, but cant translate it into commands, we can grep out '
Meta Device Members (4) :
then use the number 4 to increment the user input device id which is in hex form. in this scenario

6AD2 6AD3 6AD4 6AD5
 

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LEARN ABOUT CENTOS

ip-ntable

IP-NTABLE(8)							       Linux							      IP-NTABLE(8)

NAME

       ip-ntable - neighbour table configuration

SYNOPSIS

       ip [ OPTIONS ] address  { COMMAND | help }

       ip ntable change name NAME [ dev DEV ] PARMS

       PARMS := { thresh1 VAL | thresh2 VAL | thresh3 VAL | gc_int MSEC | base_reachable MSEC | retrans MSEC | gc_stale MSEC  | delay_probe MSEC |
	       queue LEN  | app_probs VAL | ucast_probes VAL | mcast_probes VAL  | anycast_delay MSEC | proxy_delay MSEC | proxy_queue LEN  |
	       locktime MSEC }

       ip ntable show [ dev DEV ] [ name NAME ]

DESCRIPTION

       ip ntable controls the parameters for the neighbour tables.

   ip ntable show - list the ip neighbour tables
       This commands displays neighbour table parameters and statistics.

       dev DEV
	      only list the table attached to this device.

       name NAME
	      only lists the table with the given name.

   ip ntable change - modify table parameter
       This command allows modifying table parameters such as timers and queue lengths.

       name NAME
	      the name of the table to modify.

       dev DEV
	      the name of the device to modify the table values.

EXAMPLES

       ip ntable show dev eth0
	   Shows the neighbour table (IPv4 ARP and IPv6 ndisc) parameters on device eth0.

       ip ntable change name arp_cache queue 8 dev eth0
	   Changes the number of packets queued while address is being resolved from the default value (3) to 8 packets.

SEE ALSO

       ip(8)

AUTHOR

       Manpage by Stephen Hemminger

iproute2							    20 Dec 2011 						      IP-NTABLE(8)
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