Many thanks Philip The resulting code is much neater and, to me, more readable:
(define-runtime-path foo.txt "foo.txt") (define-runtime-path bar.txt "bar.txt") (define-runtime-path outfile.txt "outfile.txt") (define-runtime-path Data/portfolio.csv "../../Data/portfolio.csv") (define-runtime-path Data/portfolio.csv.gz "../../Data/portfolio.csv.gz”) Peter > On 28 Jul 2020, at 09:40, Philip McGrath <[email protected]> wrote: > > For this particular purpose, you want `define-runtime-path`: > https://docs.racket-lang.org/reference/Filesystem.html#%28part._runtime-path%29 > > <https://docs.racket-lang.org/reference/Filesystem.html#%28part._runtime-path%29> > > -Philip > > > On Mon, Jul 27, 2020 at 9:38 PM Peter W A Wood <[email protected] > <mailto:[email protected]>> wrote: > I have a short racket program/script that reads a file from the directory in > which it is stored. The directory structure is something like this: > > a/ > b/ > c/ > my-racket.rkt > my-data-file.txt > > I want to be able to run the program from the command line no matter what is > the current working directory. E.G.: > > a> racket b/c/my-racket.rkt > a/b> racket c/my-racket.rkt > a/b/c> racket my-racket.rkt > > In order to do so, I need to provide the correct path to my-data-file.txt > depending on from where the script was launched. I haven’t learnt about > Racket modules yet so I resorted to searching Stack Overflow. I found a code > snippet that I used which worked: > > (define script-dir (path-only (resolved-module-path-name > (variable-reference->resolved-module-path > (#%variable-reference))))) > > Is this the best way to ascertain the directory of the “current module”? > > Thanks in advance > > Peter > > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:racket-users%[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-users/92DACE01-60C8-445A-A07E-A4E6A6F5F684%40gmail.com > > <https://groups.google.com/d/msgid/racket-users/92DACE01-60C8-445A-A07E-A4E6A6F5F684%40gmail.com>. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/524F478B-0915-4C2F-874B-84CDB966B7D5%40gmail.com.
