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#!/usr/bin/perl use strict; use warnings; ... __DATA__ 9344220001|sei10720013,21/07/2009-00-00-00,23/07/2009-12-34-44 9344220001|sei10720014,23/07/2009-20-00-23
key for 9344220001 merge values: sei10720013,21/07/2009-00-00-00,23/07 +/2009-12-34-44 key for 9344220001 merge values: sei10720013,21/07/2009-00-00-00,23/07 +/2009-12-34-44 $VAR1 = { ... 'sei10720014,23/07/2009-20-00-23' ] };