Sorting array of string arrays by an element in the string array

[bearophile via Digitalmars-d-learn]

neal:

> data.sort!q{ to!int(a[4]) > to!int(b[4]) };
>
> This code fixes my problem! Thanks for the quick responses 
> guys. you rock!

That converts string->int many more than once for each string. So 
if memory is not a problem, consider using a 
decorate-sort-undecorate pattern:

data.schwartzSort!q{ a[4].to!int };

Bye,
bearophile