A File and Directory Usage Graph

Abstract

You bought a shiny new 2TB disk just a short while ago and you’re already getting low disk space warnings. What’s taking up all that space?

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1.
https://docs.perl6.org/routine/dir
2.
https://docs.perl6.org/type/IO\protect\char"0024\relaxCOLON\protect\char"0024\relaxCOLONPath
3.
Note that .s on directories used to throw an exception in older Rakudo versions. You must use Rakudo 2017.02 or newer for this to work; if you are stuck on an older version of Rakudo, you could hard-code the size of a directory to a typical block size, like 4096 bytes. It typically won’t skew your results too much.
4.
https://docs.perl6.org/routine/assuming
5.
https://en.wikipedia.org/wiki/Divide_and_conquer_algorithm

Authors

Moritz Lenz
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Lenz, M. (2017). A File and Directory Usage Graph. In: Perl 6 Fundamentals . Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-2899-9_10

DOI: https://doi.org/10.1007/978-1-4842-2899-9_10
Published: 20 July 2017
Publisher Name: Apress, Berkeley, CA
Print ISBN: 978-1-4842-2898-2
Online ISBN: 978-1-4842-2899-9
eBook Packages: Professional and Applied ComputingProfessional and Applied Computing (R0)Apress Access Books