Identify the file path where a target will be stored.
Identify the file path where a target will be stored after the target finishes running in the pipeline.
tar_path(
name = NULL,
default = NA_character_,
create_dir = FALSE,
store = targets::tar_config_get("store")
)name |
Symbol, name of a target.
If |
default |
Character, value to return if |
create_dir |
Logical of length 1,
whether to create |
store |
Character of length 1, path to the data store if |
Character, file path of the return value of the target.
If not called from inside a running target,
tar_path(name = your_target) just returns
_targets/objects/your_target, the file path where your_target
will be saved unless format is equal to "file" or any of the
supported cloud-based storage formats.
For non-cloud storage formats, if you call tar_path()
with no arguments while target x is running, the name
argument defaults to the name of the running target,
so tar_path() returns _targets/objects/x.
For cloud-backed formats, tar_path() returns the
path to the staging file in _targets/scratch/.
That way, even if you select a cloud format
(e.g. tar_target(..., format = "aws_parquet", storage = "none"))
then you can still manually write to tar_path(create_dir = TRUE)
and the targets package will automatically hash it and
upload it to the AWS S3 bucket. This does not apply to formats
"file" or "aws_file", where you would never need storage = "none"
anyway.
Other utilities:
tar_active(),
tar_call(),
tar_cancel(),
tar_definition(),
tar_envir(),
tar_group(),
tar_name(),
tar_seed(),
tar_store()
tar_path()
tar_path(your_target)
if (identical(Sys.getenv("TAR_EXAMPLES"), "true")) {
tar_dir({ # tar_dir() runs code from a temporary directory.
tar_script(tar_target(returns_path, tar_path()), ask = FALSE)
tar_make()
tar_read(returns_path)
})
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