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#' Batchtools futures for custom batchtools configuration
#'
#' @inheritParams BatchtoolsFuture
#'
#' @param conf.file (character) A batchtools configuration file as for
#' instance returned by [batchtools::findConfFile()].
#'
#' @param cluster.functions A
#' [ClusterFunctions][batchtools::ClusterFunctions] object.
#'
#' @param \ldots Additional arguments passed to [BatchtoolsFuture()].
#'
#' @return An object of class `BatchtoolsFuture`.
#'
#' @example incl/batchtools_custom.R
#'
#' @export
#' @importFrom batchtools findConfFile
#' @importFrom utils file_test
batchtools_custom <- function(expr, envir = parent.frame(), substitute = TRUE,
globals = TRUE,
label = NULL,
resources = list(),
workers = NULL,
conf.file = findConfFile(),
cluster.functions = NULL,
registry = list(),
...) {
if (substitute) expr <- substitute(expr)
future <- BatchtoolsCustomFuture(
expr = expr, envir = envir, substitute = FALSE,
globals = globals,
label = label,
resources = resources,
conf.file = conf.file,
cluster.functions = cluster.functions,
workers = workers,
registry = registry,
...
)
if (!future$lazy) future <- run(future)
invisible(future)
}
class(batchtools_custom) <- c(
"batchtools_custom", "batchtools_multiprocess", "batchtools",
"multiprocess", "future", "function"
)
attr(batchtools_custom, "tweakable") <- c("finalize")
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