If all you care about is the size of the directory, just use stat: 

$ perl -e 'print +(stat("/tmp"))[7]'
49152

[download]

I have no idea whether stat() works on Windows or not, but it's not mentioned in perlport.

In reply to Re: Fastest way to calculate directory size in linux by DrHyde
in thread Fastest way to calculate directory size in linux by Anonymous Monk

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