[Gambas-user] Path specification

Gianluigi bagonergi at gmail.com
Sun Aug 19 16:52:04 CEST 2018


2018-08-19 16:31 GMT+02:00 Tobias Boege <taboege at gmail.com>:

> On Sun, 19 Aug 2018, Gianluigi wrote:
> > Hi Tobias,
> > one final clarification.
> > When you write:
> > "If you want access from the component code to resources in the currently
> > running project, then you use "../foo.txt".
> > gb.web.form does this, for example, to serve files in your project's
> > .public folder (think favicon, css and javascript resources) without you
> > having to think about it."
> > You mean that with "../" we access files in read-only mode, right?
> > If we need to write to the file we have to copy it to a user directory
> > (e.g. Try Copy "./foo.txt" To sPath &/ "foo.txt")
> >
>
> Yes, you should never[*] write to files in your project directory because
> you never know if your program might be running from an executable archive
> (*.gambas file) later. In that case, the project files will be bundled
> into the archive and the interpreter will redirect access to relative paths
> into that in-memory archive. There is no support for mutating the archive,
> neither in-memory nor on-disk. An error about the files being read-only is
> raised instead. This is nothing special about "..", it applies for all
> relative paths. The difference between "." and ".." is just in which
> archive
> components look for files.
>
> For the same reason, you can consider a program refering to files inside
> Application.Path to be broken[*]. If the code is packaged into an
> executable
> archive, Application.Path will be meaningless.
>
> Regards,
> Tobi
>
> [*] Exceptions apply, but rarely. I think there is some Gambas code
> out there which generates Gambas code for the project. If you know you
> are only ever using that functionality while developing or debugging,
> it's fine to write to files in your project. But otherwise, you are
> effectively forbidding your users from generating .gambas files.
>
> --
> "There's an old saying: Don't change anything... ever!" -- Mr. Monk



Hi Tobias (good master),
Thank you very much once again.
Also the last doubt has vanished. 👍

Regards
Gianluigi
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.gambas-basic.org/pipermail/user/attachments/20180819/7c7cc2d6/attachment.html>


More information about the User mailing list