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Top Forums Shell Programming and Scripting Matching two files per column Post 302918294 by Yoda on Monday 22nd of September 2014 04:45:46 PM
Old 09-22-2014
Another awk approach:-
Code:
awk '
        NR == FNR {
                A[$1]
                next
        }
        FNR == 1 {
                for ( i = 1; i <= NF; i++ )
                        R[i] = $i
                next
        }
        {
                for ( i = 1; i <= NF; i++ )
                {
                        for ( k in A )
                        {
                                d = ( k > $i ? k - $i : $i - k )
                                if ( d >=0 && d <=2 )
                                        print k, R[i], FNR-1
                        }
                }
        }
' file2 file1

 

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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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