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DB<103> push( @Records, join ',', ( "AAA", 20130610, 730, 1015, "\n" + ) ); => 1 DB<104> \@Records => ["AAA,20130610,730,1015,\n"]
DB<106> push @Records, [ "AAA", 20130610, 730, 1015 ]; => 1 ... DB<108> $Records[0][2] => 730