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Top Forums Shell Programming and Scripting How to pick values from column based on key values by usin AWK Post 302334117 by repinementer on Tuesday 14th of July 2009 10:10:00 PM
Old 07-14-2009
How to pick values from column based on key values by usin AWK

Dear GuyzSmilie

I have 2 different input files like this. I would like to pick the values or letters from the inputfile2 based on inputfile1 keys (A,F,N,X,Z).
I have done similar task by using awk but in that case the inputfiles are similar like in inputfile2 (all keys in 1st column and values in second column) by using the following.

Quote:
awk 'NR==FNR{_[$1]=$1;next}$1 in _{print _[$1],$0}' INPUT1.txt INPUT2.txt
But in this case inputfile1 is different , the keys are just not in single column but also in other columns.
Could you please help me on this.

Inputfile1

A tab F tab N
D
X tab Z

Inputfile2

A tab 1200
B tab 1000
D tab 3000
F tab AHAHA
G tab XXXXX
N tab YYYYY
X tab EEEEE
Z tab GGGG

I would like to join the the values or letters based on keys in 1st input file1
(A,F,N,D,X,Z) like the following

Output
A \t 1200 \t F \t AHAHA \t N \t YYYYY
D \t 3000
X \t EEEEE Z \t GGGG
 

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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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