This functions returns the path to the first configuration file found in the following locations:
File “batchtools.conf.R” in the path specified by the environment variable “R_BATCHTOOLS_SEARCH_PATH”.
File “batchtools.conf.R” in the current working directory.
File “config.R” in the user configuration directory as reported by
rappdirs::user_config_dir("batchtools", expand = FALSE) (depending on OS, e.g., on linux this usually resolves to “~/.config/batchtools/config.R”).
“.batchtools.conf.R” in the home directory (“~”).
“config.R” in the site config directory as reported by
rappdirs::site_config_dir("batchtools") (depending on OS). This file can be used for admins to set sane defaults for a computation site.
character(1)] Path to the configuration file or
NA if no configuration file was found.