guix package prints its output in rec format. You can use recutils to process the output.

Am 5. August 2016 13:04:49 MESZ, schrieb David Craven <david@craven.ch>:
>I aborted, since I realised that guix package -s doesn't include the
>source url and hash, which would be important for a testsuite...
>
>Some interesting measurements:
>guix package --list-available | grep -o --regex "^[a-zA-Z0-9-]*" | wc
>-l
>3797
>
>cat guix-metadata.txt | grep --regex "^name: .*$" | wc -l
>13949
>
>looks like we have many package variants?
>
>and an example of what guix package -s guix exports
>
>guix package -s guix
>name: guix
>version: 0.10.0
>outputs: out
>systems: x86_64-linux i686-linux armhf-linux mips64el-linux
>dependencies: bzip2-1.0.6 emacs-magit-popup-2.7.0 emacs-minimal-24.5
>geiser-0.8.1
>+ gnutls-3.5.2 guile-2.0.11 guile-json-0.5.0 gzip-1.8 libgcrypt-1.7.0
>pkg-config-0.29
>+ sqlite-3.12.2 zlib-1.2.8
>location: gnu/packages/package-management.scm:71:2
>homepage: http://www.gnu.org/software/guix
>license: GPL 3+
>synopsis: Functional package manager for installed software packages
>and versions
>description: GNU Guix is a functional package manager for the GNU
>system, and is also
>+ a distribution thereof.  It includes a virtual machine image.
>Besides the usual
>+ package management features, it also supports transactional upgrades
>and roll-backs,
>+ per-user profiles, and much more.  It is based on the Nix package
>manager.
>
>name: guix
>version: 0.10.0-1.97c8
>outputs: out
>systems: x86_64-linux i686-linux armhf-linux mips64el-linux
>dependencies: autoconf-wrapper-2.69 automake-1.15 bzip2-1.0.6
>emacs-magit-popup-2.7.0
>+ emacs-minimal-24.5 geiser-0.8.1 gettext-0.19.8 gnutls-3.5.2
>graphviz-2.38.0
>+ guile-2.0.11 guile-json-0.5.0 gzip-1.8 help2man-1.47.4
>libgcrypt-1.7.0
>+ pkg-config-0.29 sqlite-3.12.2 texinfo-6.1 zlib-1.2.8
>location: gnu/packages/package-management.scm:216:4
>homepage: http://www.gnu.org/software/guix
>license: GPL 3+
>synopsis: Functional package manager for installed software packages
>and versions
>description: GNU Guix is a functional package manager for the GNU
>system, and is also
>+ a distribution thereof.  It includes a virtual machine image.
>Besides the usual
>+ package management features, it also supports transactional upgrades
>and roll-backs,
>+ per-user profiles, and much more.  It is based on the Nix package
>manager.

-- 
Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.