Get a target option.
Get a target option. These options include default arguments to
tar_target() such as packages, storage format,
iteration type, and cue.
Needs to be called before any calls to tar_target()
in order to take effect.
tar_option_get(name = NULL, option = NULL)
name |
Character of length 1, name of an option to get.
Must be one of the argument names of |
option |
Deprecated, use the |
This function goes well with tar_target_raw() when it comes
to defining external interfaces on top of the targets package to create
pipelines.
Value of a target option.
Other configuration:
tar_config_get(),
tar_config_set(),
tar_config_unset(),
tar_envvars(),
tar_option_reset(),
tar_option_set()
tar_option_get("format") # default format before we set anything
tar_target(x, 1)$settings$format
tar_option_set(format = "fst_tbl") # new default format
tar_option_get("format")
tar_target(x, 1)$settings$format
tar_option_reset() # reset the format
tar_target(x, 1)$settings$format
if (identical(Sys.getenv("TAR_EXAMPLES"), "true")) {
tar_dir({ # tar_dir() runs code from a temporary directory.
tar_script({
tar_option_set(cue = tar_cue(mode = "always")) # All targets always run.
list(tar_target(x, 1), tar_target(y, 2))
})
tar_make()
tar_make()
})
}Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.