April 2016 - Pharo-users - lists.pharo.org

Re: [Pharo-users] final version of pharo syntax cheat page

by Sean P. DeNigris

Great job!! A few small things: Typo: "Less is more: No type declarations, no primitive objects,no generic types, no modifiers, no operators, no inner classes, no constructors, and no static methods.***There*** are not needed!". There -> They A bit opaque: "The character a and a space". We're showing how to instantiate characters. The specific characters are coincidental and obvious. I would change to "two ways to make a character" Awkward: I think "Messag***es*** syntax mimics natural languages" should be "Message syntax..." ----- Cheers, Sean -- View this message in context: http://forum.world.st/final-version-of-pharo-syntax-cheat-page-tp4890508p48… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

April 18, 2016

Re: [Pharo-users] Rename a file

by Valentin Ryckewaert

An interresting fact is that exists answer true to (FileSystem root / 'aPath/cat.jpg') exists 2016-04-18 11:25 GMT+02:00 Nicolai Hess <nicolaihess(a)gmail.com>: > > > 2016-04-18 11:08 GMT+02:00 Sven Van Caekenberghe <sven(a)stfx.eu>: > >> Think of it as follows: Pharo is cross platform, forward slash is used on >> *nix and Mac OS, but not Windows where it is backslash. FileReference is an >> object oriented API that abstracts over that. Asking for an interpretation >> of the sub parts is a step too far (even if it would be handy). >> > > We have an open bugtracker issue about this. > There is no conclusion right now how to handle this. > I understand that this path interpretation is a step too far , on the > other hand we already do this in #resolveString: > > see output of (on a windows platform(!)) > > (FileSystem root / 'aPath/file.txt') basename. > (FileSystem root / 'aPath\file.txt') basename. > > vs. > > (FileSystem root resolveString:'aPath/file.txt') basename. > (FileSystem root resolveString:'aPath\file.txt') basename. > > #/ could behave like #resolveString > > And for example: > > (FileLocator vmDirectory / 'testdir/file.txt') writeStream << 'Test' > > will succeed, if the directory <vmdirectory>/testdir/ exists (it does not > try to create a file called "testdir/file.txt", but really just "file.txt"). > > > > (see issue 13217) > > > > > >> >> > On 18 Apr 2016, at 10:56, Valentin Ryckewaert < >> valentin.ryckewaert(a)gmail.com> wrote: >> > >> > I'm on Linux >> > >> > Is it wanted that root / 'a' / 'foo.txt' is different than root / >> '.foo.txt' ? I find that strange >> > >> > 2016-04-18 10:52 GMT+02:00 Cyril Ferlicot Delbecque < >> cyril.ferlicot(a)gmail.com>: >> > >> > >> > On 18/04/2016 10:44, Valentin Ryckewaert wrote: >> > > Using your method (A string asFileReference) it works thanks ! >> > > >> > > But if you use FileSystem root / .... I get the "same" object but it's >> > > still not working. Did I make a mistake somewhere? >> > > >> > >> > Hi, >> > >> > Did you try `FileSystem root / 'a' / 'Path' / 'cat.jpg'` instead of >> > `FileSystem root / 'aPath/cat.jpg'`? >> > >> > On what OS are you? I remember I had some trouble with the root on >> Windows. >> > >> > -- >> > Cyril Ferlicot >> > >> > http://www.synectique.eu >> > >> > 165 Avenue Bretagne >> > Lille 59000 France >> > >> > >> >> >> >

April 18, 2016

Re: [Pharo-users] Rename a file

by Nicolai Hess

2016-04-18 11:08 GMT+02:00 Sven Van Caekenberghe <sven(a)stfx.eu>: > Think of it as follows: Pharo is cross platform, forward slash is used on > *nix and Mac OS, but not Windows where it is backslash. FileReference is an > object oriented API that abstracts over that. Asking for an interpretation > of the sub parts is a step too far (even if it would be handy). > We have an open bugtracker issue about this. There is no conclusion right now how to handle this. I understand that this path interpretation is a step too far , on the other hand we already do this in #resolveString: see output of (on a windows platform(!)) (FileSystem root / 'aPath/file.txt') basename. (FileSystem root / 'aPath\file.txt') basename. vs. (FileSystem root resolveString:'aPath/file.txt') basename. (FileSystem root resolveString:'aPath\file.txt') basename. #/ could behave like #resolveString And for example: (FileLocator vmDirectory / 'testdir/file.txt') writeStream << 'Test' will succeed, if the directory <vmdirectory>/testdir/ exists (it does not try to create a file called "testdir/file.txt", but really just "file.txt"). (see issue 13217) > > > On 18 Apr 2016, at 10:56, Valentin Ryckewaert < > valentin.ryckewaert(a)gmail.com> wrote: > > > > I'm on Linux > > > > Is it wanted that root / 'a' / 'foo.txt' is different than root / > '.foo.txt' ? I find that strange > > > > 2016-04-18 10:52 GMT+02:00 Cyril Ferlicot Delbecque < > cyril.ferlicot(a)gmail.com>: > > > > > > On 18/04/2016 10:44, Valentin Ryckewaert wrote: > > > Using your method (A string asFileReference) it works thanks ! > > > > > > But if you use FileSystem root / .... I get the "same" object but it's > > > still not working. Did I make a mistake somewhere? > > > > > > > Hi, > > > > Did you try `FileSystem root / 'a' / 'Path' / 'cat.jpg'` instead of > > `FileSystem root / 'aPath/cat.jpg'`? > > > > On what OS are you? I remember I had some trouble with the root on > Windows. > > > > -- > > Cyril Ferlicot > > > > http://www.synectique.eu > > > > 165 Avenue Bretagne > > Lille 59000 France > > > > > > >

April 18, 2016

Re: [Pharo-users] Rename a file

by Valentin Ryckewaert

Ok thanks everyone for your answers I got it ! :) 2016-04-18 11:08 GMT+02:00 Sven Van Caekenberghe <sven(a)stfx.eu>: > Think of it as follows: Pharo is cross platform, forward slash is used on > *nix and Mac OS, but not Windows where it is backslash. FileReference is an > object oriented API that abstracts over that. Asking for an interpretation > of the sub parts is a step too far (even if it would be handy). > > > On 18 Apr 2016, at 10:56, Valentin Ryckewaert < > valentin.ryckewaert(a)gmail.com> wrote: > > > > I'm on Linux > > > > Is it wanted that root / 'a' / 'foo.txt' is different than root / > '.foo.txt' ? I find that strange > > > > 2016-04-18 10:52 GMT+02:00 Cyril Ferlicot Delbecque < > cyril.ferlicot(a)gmail.com>: > > > > > > On 18/04/2016 10:44, Valentin Ryckewaert wrote: > > > Using your method (A string asFileReference) it works thanks ! > > > > > > But if you use FileSystem root / .... I get the "same" object but it's > > > still not working. Did I make a mistake somewhere? > > > > > > > Hi, > > > > Did you try `FileSystem root / 'a' / 'Path' / 'cat.jpg'` instead of > > `FileSystem root / 'aPath/cat.jpg'`? > > > > On what OS are you? I remember I had some trouble with the root on > Windows. > > > > -- > > Cyril Ferlicot > > > > http://www.synectique.eu > > > > 165 Avenue Bretagne > > Lille 59000 France > > > > > > >

April 18, 2016

Re: [Pharo-users] Rename a file

by Sven Van Caekenberghe

Think of it as follows: Pharo is cross platform, forward slash is used on *nix and Mac OS, but not Windows where it is backslash. FileReference is an object oriented API that abstracts over that. Asking for an interpretation of the sub parts is a step too far (even if it would be handy). > On 18 Apr 2016, at 10:56, Valentin Ryckewaert <valentin.ryckewaert(a)gmail.com> wrote: > > I'm on Linux > > Is it wanted that root / 'a' / 'foo.txt' is different than root / '.foo.txt' ? I find that strange > > 2016-04-18 10:52 GMT+02:00 Cyril Ferlicot Delbecque <cyril.ferlicot(a)gmail.com>: > > > On 18/04/2016 10:44, Valentin Ryckewaert wrote: > > Using your method (A string asFileReference) it works thanks ! > > > > But if you use FileSystem root / .... I get the "same" object but it's > > still not working. Did I make a mistake somewhere? > > > > Hi, > > Did you try `FileSystem root / 'a' / 'Path' / 'cat.jpg'` instead of > `FileSystem root / 'aPath/cat.jpg'`? > > On what OS are you? I remember I had some trouble with the root on Windows. > > -- > Cyril Ferlicot > > http://www.synectique.eu > > 165 Avenue Bretagne > Lille 59000 France > >

April 18, 2016

Re: [Pharo-users] final version of pharo syntax cheat page

by John Pfersich

Under Methods, you might want to change it to this: Methods are public and virtual. They are always looked up in the class of the receiver. By default a method returns self. Class methods follow the same dynamic lookup as instance methods. Method factorial defined in class Integer. Sent from my iPad > On Apr 17, 2016, at 23:54, stepharo <stepharo(a)free.fr> wrote: > > Hi > > I will publish it to the pharo file server as soon as I understand how :) > > Stef > <pharoCheatSheet.pdf>

April 18, 2016

Re: [Pharo-users] Rename a file

by Cyril Ferlicot Delbecque

On 18/04/2016 10:56, Valentin Ryckewaert wrote: > I'm on Linux > > Is it wanted that root / 'a' / 'foo.txt' is different than root / > '.foo.txt' ? I find that strange > If you want a relative path from the image location you can use `FileSystem workingDirectory / 'foo.txt'` -- Cyril Ferlicot http://www.synectique.eu 165 Avenue Bretagne Lille 59000 France

April 18, 2016

Re: [Pharo-users] Rename a file

by Valentin Ryckewaert

I'm on Linux Is it wanted that root / 'a' / 'foo.txt' is different than root / '.foo.txt' ? I find that strange 2016-04-18 10:52 GMT+02:00 Cyril Ferlicot Delbecque < cyril.ferlicot(a)gmail.com>: > > > On 18/04/2016 10:44, Valentin Ryckewaert wrote: > > Using your method (A string asFileReference) it works thanks ! > > > > But if you use FileSystem root / .... I get the "same" object but it's > > still not working. Did I make a mistake somewhere? > > > > Hi, > > Did you try `FileSystem root / 'a' / 'Path' / 'cat.jpg'` instead of > `FileSystem root / 'aPath/cat.jpg'`? > > On what OS are you? I remember I had some trouble with the root on Windows. > > -- > Cyril Ferlicot > > http://www.synectique.eu > > 165 Avenue Bretagne > Lille 59000 France > >

April 18, 2016

Re: [Pharo-users] Rename a file

by Cyril Ferlicot Delbecque

On 18/04/2016 10:44, Valentin Ryckewaert wrote: > Using your method (A string asFileReference) it works thanks ! > > But if you use FileSystem root / .... I get the "same" object but it's > still not working. Did I make a mistake somewhere? > Hi, Did you try `FileSystem root / 'a' / 'Path' / 'cat.jpg'` instead of `FileSystem root / 'aPath/cat.jpg'`? On what OS are you? I remember I had some trouble with the root on Windows. -- Cyril Ferlicot http://www.synectique.eu 165 Avenue Bretagne Lille 59000 France

April 18, 2016

Re: [Pharo-users] Rename a file

by Michal Balda

Hi, I think the problem is using 'aPath/cat.jpg' as a single string (= as a single component of the path). This: path1 := FileSystem root / 'a/b/c.txt'. is different to: path2 := FileSystem root / 'a' / 'b' / 'c.txt'. Compare the results when I ask for the parent directory: path1 parent "-> File @ /" path2 parent "-> File @ /a/b" When renaming, the #renameTo: method takes the #parent directory as the base for the target filename. Therefore: (FileSystem root / 'a/b/c.txt') renameTo: 'my.txt'. will try to create file: FileSystem root / 'my.txt' Whereas: (FileSystem root / 'a' / 'b' / 'c.txt') renameTo: 'my.txt'. will try to create file: FileSystem root / 'a' / 'b' / 'my.txt' And in your case, FileSystem root is probably not writable. Michal On 18.4.2016 10:31, Valentin Ryckewaert wrote: > Hi everyone, > > I'm trying to rename files with this code but it doesn't work, pharo > is saying me "PrimitiveFailed" > I tried lots of things and I'm not finding how I can rename this file, > someone has an idea please? > > | myFile | > myFile := FileSystem root / 'aPath/cat.jpg'. > myFile renameTo:'cats.jpg' > > Valentin

April 18, 2016