[CentOS] Inquiry:How to compare two files but not in line-by-line basis?

Simon Banton centos at web.org.uk
Wed Dec 2 09:42:17 UTC 2009


At 08:54 +0000 2/12/09, hadi motamedi wrote:
>Dear All
>Can you please do me favor and let me know how can I compare two 
>files but not in line-by-line basis on my CentOS server ? I mean say 
>row#1 in file1 has the same data as say row#5 in file2 , but the 
>comm compares them in line-by-line basis that is not intended . It 
>seems that the diff cannot do the job as well

This'll show you which lines are common to both files, and for the 
ones that aren't which file they're in.

perl -MData::Dumper -le 'while(<>) {chomp; push @{$s->{"$_"}}, 
$ARGV}; END{ print Dumper($s) }' file1 file2

... someone will be along shortly with a more elegant method.

HTH

S.


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