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Top Forums Shell Programming and Scripting Compare two CSV files and put the difference in third file with line no,field no and diff value. Post 302775107 by pamu on Monday 4th of March 2013 06:05:35 AM
Old 03-04-2013
Code:
$ awk -F, 'NR==FNR{for(i=1;i<=NF;i++){A[i,NR]=$i}next}
{for(i=1;i<=NF;i++){if(A[i,FNR]!=$i){print "Line",NR";Field",i,"diff value",A[i,FNR]"="$i}}}' file1 file2

Line 3;Field 2 diff value B=C
Line 3;Field 3 diff value C=B
Line 4;Field 3 diff value 3=4
Line 4;Field 4 diff value 4=5

This User Gave Thanks to pamu For This Post:
 

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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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