D and i/o

[Jonathan Marler]

On Sunday, 10 November 2019 at 07:16:31 UTC, bioinfornatics wrote:
> On Saturday, 9 November 2019 at 23:39:09 UTC, bioinfornatics 
> wrote:
>> [...]
>
> If you have some scripts or enhancements you are welcome
>
> Currently results show that naïve implementation is at least 
> twice time slower than wc, up to 5 slower for // scripts

I haven't really looked at your code but in general I find mmap 
to be much faster than reading a file when searching for things.