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Top Forums UNIX for Dummies Questions & Answers Comparing two columns with two columns Post 302770697 by pamu on Monday 18th of February 2013 03:48:17 AM
Old 02-18-2013
Code:
$ awk '{for(i=2;i<=NF;i++){if(A[$i,NR]++){n++}};$(NF+1)=n;n=0}1' file

1 201 3101 3101 201 2
2 3101 201 202 3101 1
3 3101 201 201 3102 1
4 3101 201 3202 202 0

OR lit bit more robust..

Code:
$ awk '{for(i=2;i<=3;i++){A[$i,NR]++};for(i=4;i<=NF;i++){if(A[$i,NR]){n++}};$(NF+1)=n;n=0}1' file

1 201 3101 3101 201 2
2 3101 201 202 3101 1
3 3101 201 201 3102 1
4 3101 201 3202 202 0


Last edited by pamu; 02-18-2013 at 05:02 AM..
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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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