Hi

The value of a hash key can only be a reference to an array, not an array itself. So: instead of:

# not
$hierarchy{$directory} = ();
# but
$hierarchy{$directory} = [];

# later, not
push($hierarchy{$directory}, $filename);
# but
push(@{ $hierarchy{$directory} }, $filename);

[download]

perldoc perlref is your friend

HTH
ViceRaid

In reply to Re: Forcing Array Context by ViceRaid
in thread Forcing Array Context by Anonymous Monk

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