[Pharo-project] [Idiom] 'myfile.txt' asFileName readStream contents
Hello Randal Schwartz writes in his blog http://methodsandmessages.posterous.com/writestreams-of-consciousness-going-... about streams citing Derek Williams http://derekwilliams.us/?p=1411 He gives the following as an example of elegant syntax of Smalltalk 'myfile.txt' asFileName readStream contents This does not work in Squeak nor in Pharo. It produces a ReadStream on the contents of the _String_ 'myfile.txt'. i.e. the ByteString with 10 elements. Comments? Regards Hannes
The result you got is what I would have expected too. -- Cheers, Peter On Sat, Oct 30, 2010 at 12:50 PM, Hannes Hirzel <hannes.hirzel@gmail.com>wrote:
Hello
Randal Schwartz writes in his blog
http://methodsandmessages.posterous.com/writestreams-of-consciousness-going-... about streams citing Derek Williams http://derekwilliams.us/?p=1411
He gives the following as an example of elegant syntax of Smalltalk
'myfile.txt' asFileName readStream contents
This does not work in Squeak nor in Pharo.
It produces a ReadStream on the contents of the _String_ 'myfile.txt'. i.e. the ByteString with 10 elements.
Comments?
Regards
Hannes
Surely, but not what Randal implies in terms of streams I suppose.... The idiom implies that a file stream is created and that I get the content of a file -- not the content of the file name. --Hannes On 10/30/10, Peter Hugosson-Miller <oldmanlink@gmail.com> wrote:
The result you got is what I would have expected too.
-- Cheers, Peter
On Sat, Oct 30, 2010 at 12:50 PM, Hannes Hirzel <hannes.hirzel@gmail.com>wrote:
Hello
Randal Schwartz writes in his blog
http://methodsandmessages.posterous.com/writestreams-of-consciousness-going-... about streams citing Derek Williams http://derekwilliams.us/?p=1411
He gives the following as an example of elegant syntax of Smalltalk
'myfile.txt' asFileName readStream contents
This does not work in Squeak nor in Pharo.
It produces a ReadStream on the contents of the _String_ 'myfile.txt'. i.e. the ByteString with 10 elements.
Comments?
Regards
Hannes
Sure, but when you send #readStream to a String, then you'll always get a ReadStream on that String. Perhaps there is a similarly-named method like #asReadFileStream that he meant to write instead (and that is just a guess, since I have no way of checking at the moment) -- Cheers, Peter On Sat, Oct 30, 2010 at 1:14 PM, Hannes Hirzel <hannes.hirzel@gmail.com>wrote:
Surely, but not what Randal implies in terms of streams I suppose....
The idiom implies that a file stream is created and that I get the content of a file -- not the content of the file name.
--Hannes
On 10/30/10, Peter Hugosson-Miller <oldmanlink@gmail.com> wrote:
The result you got is what I would have expected too.
-- Cheers, Peter
On Sat, Oct 30, 2010 at 12:50 PM, Hannes Hirzel <hannes.hirzel@gmail.com>wrote:
Hello
Randal Schwartz writes in his blog
http://methodsandmessages.posterous.com/writestreams-of-consciousness-going-...
about streams citing Derek Williams http://derekwilliams.us/?p=1411
He gives the following as an example of elegant syntax of Smalltalk
'myfile.txt' asFileName readStream contents
This does not work in Squeak nor in Pharo.
It produces a ReadStream on the contents of the _String_ 'myfile.txt'. i.e. the ByteString with 10 elements.
Comments?
Regards
Hannes
On 30.10.2010, at 13:14, Hannes Hirzel wrote:
Surely, but not what Randal implies in terms of streams I suppose....
The idiom implies that a file stream is created and that I get the content of a file -- not the content of the file name.
I read it different. You get an readStream on a filename which is a String. I would expect it to be 'myFile.txt' asFile readStream contents or 'myFile.txt' asFileName file readStream contents (but than someone will bring up Demeter) Norbert
--Hannes
On 10/30/10, Peter Hugosson-Miller <oldmanlink@gmail.com> wrote:
The result you got is what I would have expected too.
-- Cheers, Peter
On Sat, Oct 30, 2010 at 12:50 PM, Hannes Hirzel <hannes.hirzel@gmail.com>wrote:
Hello
Randal Schwartz writes in his blog
http://methodsandmessages.posterous.com/writestreams-of-consciousness-going-... about streams citing Derek Williams http://derekwilliams.us/?p=1411
He gives the following as an example of elegant syntax of Smalltalk
'myfile.txt' asFileName readStream contents
This does not work in Squeak nor in Pharo.
It produces a ReadStream on the contents of the _String_ 'myfile.txt'. i.e. the ByteString with 10 elements.
Comments?
Regards
Hannes
On 10/30/10, Norbert Hartl <norbert@hartl.name> wrote:
On 30.10.2010, at 13:14, Hannes Hirzel wrote:
Surely, but not what Randal implies in terms of streams I suppose....
The idiom implies that a file stream is created and that I get the content of a file -- not the content of the file name.
I read it different. You get an readStream on a filename which is a String. I would expect it to be
'myFile.txt' asFile readStream contents
Yes something like this; but asFile is neither in Squeak nor in Pharo. So what we currently have (in both Squeak and Pharo) is (FileStream fileNamed: 'myfile.txt') contents to express this. Not as elegant but it works.
or
'myFile.txt' asFileName file readStream contents (but than someone will bring up Demeter)
Norbert
--Hannes
On 10/30/10, Peter Hugosson-Miller <oldmanlink@gmail.com> wrote:
The result you got is what I would have expected too.
-- Cheers, Peter
On Sat, Oct 30, 2010 at 12:50 PM, Hannes Hirzel <hannes.hirzel@gmail.com>wrote:
Hello
Randal Schwartz writes in his blog
http://methodsandmessages.posterous.com/writestreams-of-consciousness-going-... about streams citing Derek Williams http://derekwilliams.us/?p=1411
He gives the following as an example of elegant syntax of Smalltalk
'myfile.txt' asFileName readStream contents
This does not work in Squeak nor in Pharo.
It produces a ReadStream on the contents of the _String_ 'myfile.txt'. i.e. the ByteString with 10 elements.
Comments?
Regards
Hannes
participants (3)
-
Hannes Hirzel -
Norbert Hartl -
Peter Hugosson-Miller