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Full Discussion: Compare 2 fields in 2 files
Top Forums UNIX for Dummies Questions & Answers Compare 2 fields in 2 files Post 302750699 by mukulverma2408 on Wednesday 2nd of January 2013 09:12:41 AM
Old 01-02-2013
Hi rdrtx1,
could you please also explain your code :
Code:
awk -F"|" 'NR==FNR {a[$1$3]=$0; next} a[$1$2]{print a[$1$2],$3,$4}' OFS="|" A.txt B.txt

I am new to awk and still trying to learn from the different problem posted here.
 

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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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