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Full Discussion: Threshold is less than 0.003 or equal then print the line
Top Forums Shell Programming and Scripting Threshold is less than 0.003 or equal then print the line Post 302339046 by varelg on Wednesday 29th of July 2009 03:00:09 PM
Old 07-29-2009
A general suggestion would be:
1.) grep line 1 of both files for the characters up to the pipe character. Save each search as a separate variable.
2.) Compare both variables and if they have the same content, proceed to grep-ing the rest of the contents of line 1 of each file putting each number between pipe characters into separate variables, or even better compare them right in the loop for the desired difference. You could send the output of the loop to standard output via echo at that point...
 

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LEARN ABOUT CENTOS

vgdisplay

VGDISPLAY(8)						      System Manager's Manual						      VGDISPLAY(8)

NAME

       vgdisplay - display attributes of volume groups

SYNOPSIS

       vgdisplay   [-A|--activevolumegroups]   [-c|--colon]   [-s|--short]   [-v|--verbose]   [-d|--debug]   [-h|--help]  [--ignorelockingfailure]
       [--ignoreskippedcluster] [--nosuffix] [-P|--partial] [--units hHbBsSkKmMgGtTpPeE] [--version] [VolumeGroupName [VolumeGroupName...]]

       vgdisplay --columns|-C [--aligned] [-d|--debug] [-h|-?|--help] [--ignorelockingfailure] [--ignoreskippedcluster]  [--noheadings]  [--nosuf-
       fix]  [-o|--options  [+]Field1[,Field2...]]   [-O|--sort  [+|-]Key1[,[+|-]Key2...]]   [-P|--partial] [--separator Separator] [--unbuffered]
       [--units hHbBsSkKmMgGtTpPeE] [-v|--verbose] [--version] [VolumeGroupName [VolumeGroupName...]]

DESCRIPTION

       vgdisplay allows you to see the attributes of VolumeGroupName (or all volume groups if none is given) with it's physical and  logical  vol-
       umes and their sizes etc.

       vgs(8) is an alternative that provides the same information in the style of ps(1).

OPTIONS

       See lvm(8) for common options and vgs(8) for options given with --columns.

       -A, --activevolumegroups
	      Only select the active volume groups. The volume group is considered active if at least one of its logical volumes is active.

       -c, --colon
	      Generate	colon separated output for easier parsing in scripts or programs.  N.B. vgs(8) provides considerably more control over the
	      output.

	      The values are:

	      1  volume group name
	      2  volume group access
	      3  volume group status
	      4  internal volume group number
	      5  maximum number of logical volumes
	      6  current number of logical volumes
	      7  open count of all logical volumes in this volume group
	      8  maximum logical volume size
	      9  maximum number of physical volumes
	      10 current number of physical volumes
	      11 actual number of physical volumes
	      12 size of volume group in kilobytes
	      13 physical extent size
	      14 total number of physical extents for this volume group
	      15 allocated number of physical extents for this volume group
	      16 free number of physical extents for this volume group
	      17 uuid of volume group

       -s, --short
	      Give a short listing showing the existence of volume groups.

       -v, --verbose
	      Display verbose information containing long listings of physical and logical volumes.  If given twice, also display verbose  runtime
	      information of vgdisplay's activities.

       --version
	      Display version and exit successfully.

       --columns|-C
	      Display output in columns, the equivalent of vgs(8).  Options listed are the same as options given in vgs(8).

SEE ALSO

       lvm(8), vgs(8), pvcreate(8), vgcreate(8), lvcreate(8)

Sistina Software UK				     LVM TOOLS 2.02.105(2)-RHEL7 (2014-03-26)					      VGDISPLAY(8)
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