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How to pick values from column based on key values by usin AWK

 
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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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LEARN ABOUT LINUX

igawk

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)