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Full Discussion: unique entries needed
Top Forums Shell Programming and Scripting unique entries needed Post 302527690 by jacki on Saturday 4th of June 2011 01:46:38 PM
Old 06-04-2011
unique entries needed
Hi All,

I have the following command which returns the output like this -

PHP Code:
wget URL|grep hostname|awk '{print $1,$3}'|/usr/bin/perl -nle 'm{"(.*?)".*?//(.*):(\d+)/} and print "$1 $2 $3"'|while read host port
do
echo check_env_$port
echo host
done 
OUTPUT
Appname hostname port
Appname2 hostname port2 ...

Appnames are all unique , while hostname is not since I am grepping for single hostname(vip).
Some of the ports are not unique so I am getting the same port for 4-5 different appnames.

Within the same snippet of code I want to add a number to echo command so the its unique..
e.g. check_env_1_1234
check_env_2_1234

So for port 1234 it should increment the numbers.

If that's too hard then atleast get unique entries so that I don't get check_env_1234 not more than once which ever comes first and ignore the rest of the entries with the same port.

Thanks,
Jack.
 

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LEARN ABOUT PLAN9

ssh-argv0

SSH-ARGV0(1)                                                BSD General Commands Manual                                               SSH-ARGV0(1)

NAME

     ssh-argv0 -- replaces the old ssh command-name as hostname handling

SYNOPSIS

     hostname | user@hostname [-l login_name] [command]

     hostname | user@hostname [-afgknqstvxACNTX1246] [-b bind_address] [-c cipher_spec] [-e escape_char] [-i identity_file] [-l login_name]
     [-m mac_spec] [-o option] [-p port] [-F configfile] [-L port:host:hostport] [-R port:host:hostport] [-D port] [command]

DESCRIPTION

     ssh-argv0 replaces the old ssh command-name as hostname handling.  If you link to this script with a hostname then executing the link is
     equivalent to having executed ssh with that hostname as an argument.  All other arguments are passed to ssh and will be processed normally.

OPTIONS

     See ssh(1).

FILES

     See ssh(1).

AUTHORS

     OpenSSH is a derivative of the original and free ssh 1.2.12 release by Tatu Ylonen.  Aaron Campbell, Bob Beck, Markus Friedl, Niels Provos,
     Theo de Raadt and Dug Song removed many bugs, re-added newer features and created OpenSSH.  Markus Friedl contributed the support for SSH
     protocol versions 1.5 and 2.0.  Jonathan Amery wrote this ssh-argv0 script and the associated documentation.

SEE ALSO

     ssh(1)

Debian Project                                                   September 7, 2001                                                  Debian Project
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