Since TIMTOWTDI, here's a slight variation on one of my favorite one-liners (original by merlyn): perl -ne 'print if ($seen{$_} .= @ARGV && /^Query:/) =~ /10$/' fileA fileB > output

In reply to Re: Comparing strings in 2 files. by Albannach
in thread Comparing strings in 2 files. by pablo

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