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How do I reverse a nested array?

by Anonymous Monk
on Sep 25, 2000 at 02:46 UTC ( #33872=categorized question: print w/replies, xml ) Need Help??
Contributed by Anonymous Monk on Sep 25, 2000 at 02:46 UTC
Q&A  > Data Structures


I am trying to reverse an array:
my @ary = (1,2,[a,b,[],[3,4,[6]],c],45); my @rev = reverse map [ reverse @$_ ], @ary;
But my output is: ([],[c,[[6],4,3],[],b,a,[],[]) How do I fix this?

Answer: How do I reverse a nested array?
contributed by extremely

sub rev_arr { my $ar = shift; ref $ar eq 'ARRAY' ? [ map rev_arr($_), reverse @$ar ] : $_ }

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