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Top Forums Shell Programming and Scripting Filter file to remove duplicate values in first column Post 302977896 by RavinderSingh13 on Saturday 23rd of July 2016 02:37:52 AM
Old 07-23-2016
Hello LMHmedchem,

Could you please try following and let me know if this helps you.
Code:
awk 'NR==1{print;next} {A[$1]=$0;C=C<$1?$1:C} END{;for(i=0;i<=C;i++){if(A[i]){print A[i]}}}'   Input_file

Output will be as follows.
Code:
num     Name            PCA_A1     PCA_A2       PCA_A3
0       compound_00     -3.5054     -1.1207     -2.4372
1       compound_01     -2.2641     0.4287      -1.6120
3       compound_03     -1.3053     1.8495      -1.0224
4       compound_04     -1.1845     -0.3377     -2.9453
7       compound_07     -0.2988     1.3539      -1.6114
8       compound_08     2.6872     -1.3726      -5.9732
9       compound_09     -1.4546     -0.8284     -3.5016

Thanks,
R. Singh

Last edited by RavinderSingh13; 07-24-2016 at 09:01 AM.. Reason: Removed color from first line of solution.
 

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PR(1)							      General Commands Manual							     PR(1)

NAME
pr - print file SYNOPSIS
pr [ option ... ] [ file ... ] DESCRIPTION
Pr produces a printed listing of one or more files on its standard output. The output is separated into pages headed by a date, the name of the file or a specified header, and the page number. With no file arguments, pr prints its standard input. Options apply to all following files but may be reset between files: -n Produce n-column output. +n Begin printing with page n. -b Balance columns on last page, in case of multi-column output. -d Double space. -en Set the tab stops for input text every n spaces. -h Take the next argument as a page header (file by default). -in Replace sequences of blanks in the output by tabs, using tab stops set every n spaces. -f Use formfeeds to separate pages. -ln Take the length of the page to be n lines instead of the default 66. -m Print all files simultaneously, each in one column. -n Number the lines of each file. -on Offset the left margin n character positions. -sc Separate columns by the single character c instead of aligning them with white space. A missing c is taken to be a tab. -t Do not print the 5-line header or the 5-line trailer normally supplied for each page. -wn For multi-column output, take the width of the page to be n characters instead of the default 72. SOURCE
/sys/src/cmd/pr.c SEE ALSO
cat(1), lp(1) PR(1)
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