[Newbies] Efficiently writing to a file

[Bert Freudenberg]

On Apr 10, 2007, at 23:50 , Ian Oversby wrote:

> On 10/04/07, Bert Freudenberg <bert at freudenbergs.de> wrote:
>>
>> On Apr 10, 2007, at 23:22 , Ian Oversby wrote:
>>
>> > Okay, I tried this and it still seems a bit slow:
>> >
>> > | myFile ios |
>> >
>> > ios := ReadWriteStream on: ''.
>> >
>> > Transcript show: 'Populate Buffer: ',
>> >       (Time millisecondsToRun: [
>> >               1 to: 10000 do: [
>> >                       :x | ios nextPutAll: ((x asString) ,  
>> String crlf)
>> >                       ]]) asString , ' millseconds' ; cr.
>> >
>>
>> >  Is this the correct way to use the stream?
>>
>> Why not write
>>
>>         1 to: 10000 do: [:x | ios print: x; cr]
>>
>> - Bert -
>
> I don't know the difference between print: and nextPutAll:,

Select "print:", press Cmd-m.

> but cr
> didn't put the correct line ending for Windows, and it still seems
> equally slow.

Well, that's about as fast as you get without specific optimizations.  
Most probably Perl uses a C function for formatting numbers, Squeak  
does not. If this is mission-critical for your app it can be  
optimized, but in general we choose flexibility over raw speed.

- Bert -