http://www.perlmonks.org?node_id=954972


in reply to new to perl, syntax question

The index expression of $array[ EXPR ] is evaluated in scalar context, and the an array in scalar context evaluates to the number of elements in the array. 

my @folder = qw( a b c d e f );
my @name   = qw( x y z );
my $var = $folder[@name];   # $var = 'd', since @name == 3.

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