Checks that Docker daemon is running correctly on the local system and returns the version of the installed vol2bird algorithm in the Docker container.
vol2bird_version(local_install)
local_install | (optional) String with path to local vol2bird installation, see calculate_vp for details. |
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an object of class numeric_version, NA if docker system command not available, NaN if Docker daemon not running, NULL if adokter/vol2bird docker image not available
when argument local_install
is specified with
a path to a local executable of vol2bird, the function will return
the version of this local installation.
if (FALSE) { # check installed vol2bird version: vol2bird_version() }