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Return TRUE if called in a target or _targets.R and the pipeline is running.

Usage

tar_active()

Value

Logical of length 1, TRUE if called in a target or _targets.R

and the pipeline is running (FALSE otherwise).

Examples

if (identical(Sys.getenv("TAR_EXAMPLES"), "true")) { # for CRAN
tar_dir({ # tar_dir() runs code from a temp dir for CRAN.
tar_active() # FALSE
tar_script({
  message("Pipeline running? ", tar_active())
  tar_target(x, tar_active())
})
tar_manifest() # prints "Pipeline running? FALSE"
tar_make() # prints "pipeline running? TRUE"
tar_read(x) # TRUE
})
}