@{$hash{$currentkey}} is an array so you can truncate the array just as you would any other array. You don't need to use push. Both of these will do the trick 

@{$hash{$currentkey}} = ();
$#{$hash{$currentkey}} = -1;

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Lupey

In reply to Re^3: searching data lines between keywords by lupey
in thread searching data lines between keywords by riz

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