splitting numbers from a test file

[Craig Dillabaugh]

On Wednesday, 19 September 2012 at 02:58:33 UTC, bearophile wrote:
> Craig Dillabaugh:
>
>> 8    auto f = std.stdio.File("test.txt", "r");
>> 9    foreach( char[] s; f.byLine() ) {
>> 10     string line = std.string.strip( to!string(s) );
>> 11     auto parts = std.array.splitter( line );
>> 12     writeln("There are ", parts.length, " numbers in line ",
>> line_count++);
>> 13     foreach(string p; parts) {
>> 14     numbers_read ~= to!real(p);
>> 15      }
>> 16    }
>> 17    f.close();
>> 18    return 0;
>> 19 }
>>
>> When I try to compile this I get an error:
>> test.d(12): Error undefined identifier 'length;
>
> Here to!string() is probably unnecessary, it's a wasted 
> allocation.
>
> splitter() returns a lazy range that doesn't know its length.
>
> To solve your problem there are two main solutions: to use 
> split() instead of splitter(), or to use walkLength() on the 
> range given by splitter().
>
> In theory splitter() should faster, but in practice this isn't 
> always true.
>
> Keep in mind that "real" is usually more than 64 bits long, and 
> it's not so fast.
>
> Maybe nowdays there are other ways to load that data, I don't 
> know if readfln("%(%f %)%") or something similar works.
>
> Bye,
> bearophile

Thanks very much.

I tried the strip() without to!string and got a syntax error when
I tried to compile.

Cheers,
Craig