On Wed, 19 Sep 2012 19:48:49 +0200, TJB wrote: > D Helpers, > > I have a ton of huge financial data to process and analyze > statistically. I am looking for the best way to store/retrieve the data > for processing. I am wondering how to write the data to a compressed > binary file and then later read from that same file for processing. > > I can read/write the binary data just fine, but how to do it with > compression? > > I appreciate your help and suggestions. > > TJB
Take a look at std.zip and std.zlib. Personally, I use LZO which is incredibly fast and pretty easy to wrap (it's a C lib). Using LZO takes a little more work (you need split the data into chunks, manually store compressed/uncompressed lengths, etc.), so the easy route is to use std.zlib.