You are answer my question. Thank you very much. I am still analyzed how to replace between your query with mine
My query
$length = unpack "C4", substr $data,0,2,'';

Your query
my ($n) = unpack 'x v', $raw;

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In reply to Re^4: How to sort record using pack function ? by bh_perl
in thread How to sort record using pack function ? by bh_perl

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