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Full Discussion: Data filtering and category assigning
Top Forums Shell Programming and Scripting Data filtering and category assigning Post 302927791 by jianp83 on Friday 5th of December 2014 01:22:14 PM
Old 12-05-2014
Data filtering and category assigning
Please consider the following file, I have many groups which can be of 3 types, T1 (Serial_Number 1) T2 (Serial_Number 2) and T1*T2 (all other Serial_Number).

I want to only consider groups that have both T1 and T2 present and their values are different from each other. In the example file, Group3 and Group 5 are not to be considered for the same reasons.
Important to mention that the data is not sorted, so T1, T2 and T1*T2 rows are scattered in the file, in no particular order.



Code:
Group	Type	Value	Serial_number
Group1	T1	aa	1
Group1	T2	tt	2
Group1	T1*T2	at	3
Group1	T1*T2	tt	4
Group2	T1	gg	1
Group2	T2	tt	2
Group2	T1*T2	gg	3
Group2	T1*T2	tt	4
Group2	T1*T2	gt	5
Group3	T1	gg	1
Group3	T2	gg	2
Group3	T1*T2	gg	3
Group3	T1*T2	gg	5
Group4	T1	gg	1
Group4	T2	tt	2
Group4	T1*T2	gt	4
Group4	T1*T2	gg	5
Group5	T1	gg	1
Group5	T1*T2	gt	5


I want to add a column to the output , only for types T1*T2 that states if they match the corrsponding value of T1 in the group, or T2 in the group or doesnt match any of T1 or T2.


For example for Group1, the value of T1*T2 (Serial_number 3) is 'at' which
doesnt match its T1 value of 'aa' or T2 value of 'tt'. So it is 'different'

For Group1, the value of T1*T2 (Serial_number 4) is 'tt' which matches T2 value of 'tt' , so it assigned 'T2-like'

Code:
Group	Type	Value	Serial_number	Similar_To
Group1	T1*T2	at	3	different
Group1	T1*T2	tt	4	T2-like
Group2	T1*T2	gg	3	T1-like
Group2	T1*T2	tt	4	T2-like
Group2	T1*T2	gt	5	different
Group4	T1*T2	gt	4	different
Group4	T1*T2	gg	5	T1-like

This is my feeble attempt, which doesn't work.

Code:
awk 
' {
   if(!($1 in grp)) {
      grp[$1]++
      type[$1]=$2
      val[$1,1]=$3 FS $4
      next
   }
  NR != 1 {
 grp[$1]++
 type[$2]++
 val[$3]++
 a[$1,$2]=a[$1,$2]" "$3
 
 if($3=="T1") categ="T1-like"
 else if ($3=="P2") categ="T2-like"
 else categ="different"
 
 if($3="T1*T2")
   for (i=1;i<length(grp);i++)
   	if (grp[i]==grp[i-1])
   		catg1[i]=categ
   print $1 FS $2 FS $3 FS $4 FS catg1[i]
 
 }' infile

Last edited by jianp83; 12-05-2014 at 02:31 PM..
 

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LEARN ABOUT HPUX

lvmpvg

lvmpvg(4)						     Kernel Interfaces Manual							 lvmpvg(4)

NAME

       lvmpvg - LVM physical volume group information file

SYNOPSIS

DESCRIPTION

       is  an  ASCII file that stores the volume-group information for all of the physical volume groups in the system.  The information is stored
       in a hierarchical format.

       First, it starts with a volume group under which multiple physical volume groups can exist.  Under each physical volume group,  a  list	of
       physical  volumes  can be specified.  There must be at least one physical volume group in each volume group that appears in this file.  The
       physical-volume-group name must be unique within the corresponding volume group, although it is permissible to use a common physical volume
       group name across different volume groups.  There can be as many volume groups in this file as there are in the system.

       Instead of using the and commands, the administrator can edit this file to create and extend physical volume groups.  However, care must be
       taken to ensure that all physical volumes to be included in the file have already been defined in their respective volume groups by  previ-
       ous use of or

       The  file  format  has  the  following structure.  and are keywords that introduce the names of the volume group and physical volume group,
       respectively.

	      pv_path
		 ...
	      pv_path
		 ...
	      pv_path
		 ...

       The variables are defined as follows:

	      pv_path	     The block device path name of a physical volume within the volume group.

	      pvg_name	     The name of the physical volume group.  It must be unique within the volume group.

	      vg_name	     The path name of the volume group.

EXAMPLES

       The following example shows an file containing two volume groups: the first containing two physical volume groups, each with  two  physical
       volumes defined in it; the second containing three physical volume groups, each with one physical volume defined in it.

SEE ALSO

       vgcreate(1M), vgextend(1M), vgreduce(1M), vgremove(1M), intro(7), lvm(7).

																	 lvmpvg(4)
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