Hi Folks:
On OS X, 10.6, I have been playing around with hfsCompression. I can
decrease the size of /sw/share/coot significantly:
% cd /sw/share/
% du -h -d 0 coot
180M coot
% sudo mv coot coot.1
% sudo ditto --hfsCompress coot.1 coot
% du -h -d 0 coot
31M coot
This can also be done with the libraries and binaries, and even the
whole of /sw.
It squeezed phenix down to 319 MB from 1.1 GB. CCP4's new footprint
is 562 MB, instead of 1.5 GB.
hfscompressing Xray data results in a factor of two space-saving.
The files still look the same from the point of view of the operating
system. You can in fact only "see" the compression using commands
like du or df.
More here:
<http://www.macosxhints.com/article.php?story=20090902223042255>
Bill
