Create a string of the filename with its hash as an attribute to allow change detection in drake

Create a string of the filename with its hash as an attribute to allow change detection in drake

Usage

add_hash_to_file(filename)

Arguments

filename

The filename or vector of filenames to generate a hash for

Value

`filename` with an attribute of `hash` added.

Examples

if (FALSE) {
my_plan <-
  drake_plan(
    big_filename=
      target(
        command=add_hash_to_file("a/file.xpt"),
        trigger=trigger(condition=TRUE)
      )
  )
}