This functions returns the path to the first configuration file found in the following locations:

1. File “batchtools.conf.R” in the path specified by the environment variable “R_BATCHTOOLS_SEARCH_PATH”.

2. File “batchtools.conf.R” in the current working directory.

3. 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”).

4. “.batchtools.conf.R” in the home directory (“~”).

5. “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.

findConfFile()

## Value

[character(1)] Path to the configuration file or NA if no configuration file was found.