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Full Discussion: Append no of times a column is repeated at the end
Top Forums UNIX for Dummies Questions & Answers Append no of times a column is repeated at the end Post 302919673 by RavinderSingh13 on Friday 3rd of October 2014 02:25:36 AM
Old 10-03-2014
Quote:
Originally Posted by tech_frk
Hi folks,

Iam working on a bash script, i need to print how many times column 2 repeated at the end of each line.

Input.txt
Code:
COL1 COL2 COL3 COL4
 1 XX 45 N
 2 YY 34 y
 3 ZZ 44 N
 4 XX 89 Y
 5 XX 45 N
 6 YY 84 D
 7 ZZ 22 S

Output.txt
Code:
COL1 COL2 COL3 COL4 COL5
 1 XX 45 N 3
 2 YY 34 y 2
 3 ZZ 44 N 2
 4 XX 89 Y 3
 5 XX 45 N 3
 6 YY 84 D 2
 7 ZZ 22 S 2

i.e in column 2 the repeatation of XX is 3 , YY is 2 and ZZ is 2, which has to appended at the end of each line.

appreciate your help.
Hello tech_frk,

Following may help you in same.

Code:
 awk 'NR==1{$(NF+1)="COL5";print $0} FNR==NR && NR>1 {X[$2]++;Y[$2]=$0 OFS X[$2];next} ($2 in Y){print Y[$2]}' Input_file Input_file

Output will be as follows.

Code:
COL1 COL2 COL3 COL4 COL5
 5 XX 45 N 3
 6 YY 84 D 2
 7 ZZ 22 S 2
 5 XX 45 N 3
 5 XX 45 N 3
 6 YY 84 D 2
 7 ZZ 22 S 2

Thanks,
R. Singh
 

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LEARN ABOUT CENTOS

git-column

GIT-COLUMN(1)							    Git Manual							     GIT-COLUMN(1)

NAME

       git-column - Display data in columns

SYNOPSIS

       git column [--command=<name>] [--[raw-]mode=<mode>] [--width=<width>]
		    [--indent=<string>] [--nl=<string>] [--padding=<n>]

DESCRIPTION

       This command formats its input into multiple columns.

OPTIONS

       --command=<name>
	   Look up layout mode using configuration variable column.<name> and column.ui.

       --mode=<mode>
	   Specify layout mode. See configuration variable column.ui for option syntax.

       --raw-mode=<n>
	   Same as --mode but take mode encoded as a number. This is mainly used by other commands that have already parsed layout mode.

       --width=<width>
	   Specify the terminal width. By default git column will detect the terminal width, or fall back to 80 if it is unable to do so.

       --indent=<string>
	   String to be printed at the beginning of each line.

       --nl=<N>
	   String to be printed at the end of each line, including newline character.

       --padding=<N>
	   The number of spaces between columns. One space by default.

AUTHOR

       Written by Nguyen Thai Ngoc Duy <pclouds@gmail.com[1]>

GIT

       Part of the git(1) suite

NOTES

	1. pclouds@gmail.com
	   mailto:pclouds@gmail.com

Git 1.8.3.1							    06/10/2014							     GIT-COLUMN(1)
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