Re: Absolute path of source file

[Zelphir Kaltstahl]

Hello reza!

On 23.09.24 17:47, reza wrote:
> Hi Retropikzel
>
> Perfect, works out of the box!
> I missed this part in the manual, just saw that it is in chapter "Source
> Properties" where I would never have guessed to look at.
> Thanks very much,
> Reza
>
> > On Mon, 23 Sep 2024 15:35:03 +0000
> > reza<reza@housseini.me>  wrote:
> >
> > > Hi List
> > >
> > > How can I get the absolute path to a source file from itself. In bash
> > > this would look like something along the lines
> > >
> > >      realpath $(dirname $0)
> > >
> > > but I could not figure out how to achieve this in guile.
> > >
> > > Thanks for any hints!
> > > Cheers,
> > > Reza
> > Hi! Might example from here:
> > https://www.gnu.org/software/guile/manual/guile.html#Load-Paths-1
> >
> > work?
> >
> >      (dirname (current-filename))

I just want to add, that in most cases you can probably make things work using 
the `guile -L` argument and naming the files of guile modules according to the 
module defined in them. It has been a long time, since I had to reach for 
something like `(dirname (current-filename))`. Of course there might be cases, 
where you want to have that directory as a string in your code or so. I am only 
writing this, because it is often brought up in a context of adding things to 
the load path, where it should not be necessary.

For example see: 
https://codeberg.org/ZelphirKaltstahl/guile-algorithms/src/commit/97f29e9a9414bd068e9b6e0745a768ad64a10dac/readme.md. 
And if that is too much of a hassle, you could create a makefile, that runs 
either the program or a guile shell that has the directories added to the load 
path. Something like 
https://codeberg.org/ZelphirKaltstahl/guile-algorithms/src/commit/97f29e9a9414bd068e9b6e0745a768ad64a10dac/graphs/Makefile.

Best regards, Zelphir

--
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