įile(s) size (uncompressed reported size by Mac OS 10.6+ Finder): 22705078 bytes / 34.8 MB (megabytes) / 33.2 MiB (mebibytes)įile(s) size (compressed - decmpfs xattr reported size by Mac OS 10.0-10.5 Finder): 1616066 bytes / 2.1 MB (megabytes) / 2 MiB (mebibytes)įile(s) size (compressed): 5948389 bytes / 6.4 MB (megabytes) / 6.1 MiB (mebibytes)Īpproximate total file(s) size (files + file overhead): 9050906 bytes / 9.1 MB (megabytes) / 8.6 MiB (mebibytes) Let’s look at compression stats ( -v, indirectly) for PHP files ( -t php) and then the whole directory: $ afsctool -vt php. (Also available through Homebrew.) Wanting to try it out, I for some reason decided to try to compress the 1.5GB git repo I spend most of my time in at work. It seems like Apple’s intention was for this to be used for shipping system files, and not applied to user files, as evidenced by the fact that it’s virtually impossible to even figure out if it’s enabled, much less a checkbox to simply turn it on for the filesystem.īut, enter afsctool. While reading about AppNap and the fun tricks Apple employs to improve battery life, I happened across something I never knew: the HFS+ filesystem supports transparent compression.
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