tac is also available for win32 e.g. 
C:\mycode>perl -le "print $_ for qw[spam bacon eggs]" > things.txt

C:\mycode>cat things.txt
spam
bacon
eggs

C:\mycode>tac things.txt
eggs
bacon
spam

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In reply to Re^2: How to reverse a huge file in Perl? by Arunbear
in thread How to reverse a huge file in Perl? by MelaOS

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