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Full Discussion: Filtering text with awk
Top Forums UNIX for Beginners Questions & Answers Filtering text with awk Post 303030141 by vgersh99 on Wednesday 6th of February 2019 12:47:04 PM
Old 02-06-2019
Quote:
Originally Posted by RudiC
It is common use in these fora to show what you've tried and where you were stuck when posting a problem. Try



Code:
awk '
/>Cluster/      {if (CNT) print CNT
                 CNT = 0
                 next
                }
                {CNT++
                }
/\*/            {printf "%snr=", $NF
                }
END             {print CNT
                }
' FS=, file
 >last294258;size=1;... *nr=1
 >last111510;size=1;... *nr=4
 >last355423;size=1;... *nr=1

Just a slight modification if a "block" does not have anything marked with *:
Code:
>Cluster 0
0       292nt, >last294258;size=1;... *
>Cluster 1
0       292nt, >last111510;size=1;... *
1       290nt, >last136280;size=1;... at -/98.62%
2       292nt, >last217336;size=1;... at +/99.66%
3       292nt, >last280937;size=1;... at -/99.32%
>Cluster 2
0       292nt, >last355423;size=1;...

Code:
BEGIN {
  FS=","
}
/>Cluster/      {if (flg) print CNT
                 CNT=flg = 0
                 next
                }
                {CNT++
                }
/\*/            {printf "%snr=", $NF;flg++
                }
END             {if (flg) print CNT
                }

This User Gave Thanks to vgersh99 For This Post:
RudiC
 

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LEARN ABOUT DEBIAN

app::clusterssh::cluster

App::ClusterSSH::Cluster(3pm)				User Contributed Perl Documentation			     App::ClusterSSH::Cluster(3pm)

NAME

       App::ClusterSSH::Cluster - Object representing cluster configuration

SYNOPSIS

DESCRIPTION

       Object representing application configuration

METHODS

       $cluster=ClusterSSH::Cluster->new();
	   Create a new object.  Object should be common across all invocations.

       $cluster->get_clusters($filename);
	   Read in /etc/clusters and any other given file name and register the tags found.

       $cluster->read_cluster_file($filename);
	   Read in the given cluster file and register the tags found

       $cluster->register_tag($tag,@hosts);
	   Register the given tag name with the given host names.

       @entries = $cluster->get_tag('tag');
	   Retrieve all entries for the given tag

       @tags = $cluster->list_tags();
	   Return an array of all available tag names

AUTHOR

       Duncan Ferguson, "<duncan_j_ferguson at yahoo.co.uk>"

LICENSE AND COPYRIGHT

       Copyright 1999-2010 Duncan Ferguson.

       This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as
       published by the Free Software Foundation; or the Artistic License.

       See http://dev.perl.org/licenses/ for more information.

perl v5.14.2							    2012-06-24					     App::ClusterSSH::Cluster(3pm)
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