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Top Forums Shell Programming and Scripting Help with remove the column that appear twice Post 302850533 by pamu on Thursday 5th of September 2013 02:20:56 AM
Old 09-05-2013
What abt this..?

Code:
 awk 'NR==1{$1=OFS OFS $1}1 NR>1{S=$1;for(i=2;i<=NF;i++){if($i != $1){S=S OFS $i}}print S;}' OFS="\t" file

                S1      S1      S3
comp95_c1       1.00    1.00    3.00
comp4_c0        6.00    6.00    6.00
comp3_c0        0.00    0.00    4.00
comp15_c1       3.00    3.00    3.00
comp28_c0       33.00   33.00   2.00
comp23_c0       4.00    4.00    3.00

 

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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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