> On 4 Oct 2017, at 09:23, Dirk Olmes <d...@xanthippe.ping.de> wrote: > > Hi Sven, > >>> I'm trying to get started with Pharo doing something really simple - at >>> least that's what I thought ... I'm trying to read a text file line by line. >>> >>> If I use File named: '/tmp/linex.txt' readStream nextLine I'll get a >>> debugger telling me that BinaryFileStream does not understand nextLine. >> >> (File named: '/tmp/lines.txt') readStreamDo: [ :in | >> | characterStream | >> characterStream := ZnCharacterReadStream on: in. >> Array streamContents: [ :out | >> [ characterStream atEnd ] whileFalse: [ out nextPut: characterStream >> nextLine ] ] ]. > > Thanks for the hint, Sven. Of all alternatives you gave I like the last > one best as it does not load the entire contents of the (probably large) > text file into memory.
Yes, that is true, the first ones are more for quick and dirty scripting, real streaming is better for production code. > ZnCharacterReadStream belongs to the Zinc classes. I would have expected > a generic character reading stream to be part of the core classes > (whatever that means :-) and not a part of some HTTP component classes. > But that may only be my limited understanding of Pharo so far :-) Well, the package is 'Zinc-Character-Encoding-Core' not 'Zinc-HTTP'. Character encoding stands on its own and has nothing to do with HTTP. See also this book chapter https://ci.inria.fr/pharo-contribution/job/EnterprisePharoBook/lastSuccessfulBuild/artifact/book-result/Zinc-Encoding-Meta/Zinc-Encoding-Meta.html > -dirk >
