my @files2del = map { ($hash{$_}->{Size} > $sizelimit ? $_ : () } keys
+ %hash;

[download]

The perlish way to write such a map involves grep ;-) my @files2del = grep { ($hash{$_}->{Size} > $sizelimit  } keys %hash;

In reply to Re^2: Which one is best for optimization by moritz
in thread Which one is best for optimization by luckypower

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