std.file or stream

[Christopher Wright]

Kar wrote:
> Im trying to index a very large document collections. I need to know which file access method is faster, either std.file read all data into buffer or use stream.
> 
> i didnt understand stream very well, does it store file strings in memory or just a pointer to exact disc location.
> 
> The index file could be more than 10GBs, so which method is better.

std.mmfile for the win.

Try the higher-level interface in std.stream.MmFileStream.