Hi Justin Am Freitag, dem 01.04.2022 um 16:29 -0400 schrieb Justin Veilleux: > Hi everyone. I'm currently writing a set of helper functions > (usually written using `computed-file` which act on file like > objects to transform them in some way. > For instance, I have a `decompress` function which, given a file-like > object pointing to an archive, will return a computed file object > which it will decompress to it's output. > Everything works very well, but I would like to be able to name the > `computed-file` objects something meaningfull. > ``` > (define (unzip f) > (computed-file (string-append (name f) "-unzipped") > #~(begin > (system* (string-append #$unzip "/bin/unzip") > "-d" #$output > #$file)) > #$out)) > ``` > Is there someting which ressembles the imaginary `name` function I > used above? Generally speaking, you'll have to speak to the store to achieve your goal. For a specific implementation, that fetches a file from a package (without building the package in question!), see package-file in (guix packages).
Cheers
