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Top Forums UNIX for Dummies Questions & Answers Compare data - Match first column and compare second Post 302961236 by RudiC on Wednesday 25th of November 2015 02:34:49 PM
Old 11-25-2015
Please use code tags as required by forum rules!

Any attempts/ideas/thoughts from your side?

---------- Post updated at 20:34 ---------- Previous update was at 20:28 ----------

Howsoever, try
Code:
awk 'FNR==NR {T[$1]=$2; next} ($1 in T) && (T[$1] != $2) {print $0, T[$1]}' FS="," OFS="," file2 file1
site1,10.1.1.1,l0.1.1.1
site2,20.2.2.2,50.1.1.1

 

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SPLIT(1)								FSF								  SPLIT(1)

NAME
split - split a file into pieces SYNOPSIS
split [OPTION] [INPUT [PREFIX]] DESCRIPTION
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default PREFIX is `x'. With no INPUT, or when INPUT is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -a, --suffix-length=N use suffixes of length N (default 2) -b, --bytes=SIZE put SIZE bytes per output file -C, --line-bytes=SIZE put at most SIZE bytes of lines per output file -l, --lines=NUMBER put NUMBER lines per output file --verbose print a diagnostic to standard error just before each output file is opened --help display this help and exit --version output version information and exit SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg. AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site, the command info split should give you access to the complete manual. split (coreutils) 4.5.3 February 2003 SPLIT(1)
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