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Full Discussion: awk and sum
Top Forums Shell Programming and Scripting awk and sum Post 303011680 by Scrutinizer on Monday 22nd of January 2018 11:21:22 AM
Old 01-22-2018
Another approach:
Code:
awk '
{
  split($1,F,".")
  i=F[1]
  A[i]=A[i] $0 ","
  T[i]+=$2
}
END {
  for(i in A)
    printf "%ssum-%sGB\n",A[i],T[i]
}
' file

But you did not answer one of Don Cragun's questions in post #2
Quote:
Originally Posted by Don Cragun
[..]
Are all numbers to be added given as "GB" values? Or could "KB", "MB", "TB" and/or other multipliers be present?
This is quite essential, because the approaches in this thread will be fail if the file can also contain KB, MB or TB values.
This User Gave Thanks to Scrutinizer For This Post:
yifangt
 

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LEARN ABOUT CENTOS

yum-fs-snapshot.conf

YUM-FS-SNAPSHOT.CONF(5) 					   File Formats 					   YUM-FS-SNAPSHOT.CONF(5)

NAME

       yum-fs-snapshot.conf(5)

SYNOPSIS

       yum-fs-snapshot.conf(5)	is the configuration file for yum-fs-snapshot(1) Yum plugin for snapshotting your filesystems before running a yum
       transaction.  By default, this plugin will snapshot all filesystems that it is capable of snapshotting.	This  includes	block-level  snap-
       shots using LVM snapshots.

FILES

       /etc/yum/pluginconf.d/fs-snapshot.conf

FILE FORMAT

       yum-fs-snapshot.conf(5) utilizes configuration options in the form of

       OPTION=VALUE

OPTION

       exclude
	      This is a space delimited list of the mount points you do not wish to have snapshotted by this plugin.

OPTION

       create_snapshots_in_post
	      This is a boolean value used to control whether snapshots are also created after running the yum transaction.

OPTION - [lvm] section
       enabled
	      This is a boolean value used to control whether LVM snapshots will be created for filesystems built on LVM logical volumes.

OPTION - [lvm] section
       lvcreate_size_args
	      This is the space delimited lvcreate argument list that is used to specify the size of the snapshot LV.  Valid lvcreate size options
	      are -l or -L.  If not specified then LVM snapshots will not be created for volumes that are not thinly provisioned.

AUTHOR

	      Josef Bacik <josef@toxicpanda.com>
	      Mike Snitzer <msnitzer@fedoraproject.org>

SEE ALSO

       yum-fs-snapshot(1)

								  3 February 2010					   YUM-FS-SNAPSHOT.CONF(5)
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