Files which delete themselves

Create files, which are then automatically removed afterwards.

with_file(file, code)

local_file(.file, ..., .local_envir = parent.frame())

Arguments

file, .file

[named list]
Files to create.

code

[any]
Code to execute in the temporary environment

...

Additional (possibly named) arguments of files to create.

.local_envir

[environment]
The environment to use for scoping.

Value

[any]
The results of the evaluation of the code argument.

See also

withr for examples

Examples

with_file("file1", {
  writeLines("foo", "file1")
  readLines("file1")
})

with_file(list("file1" = writeLines("foo", "file1")), {
  readLines("file1")
})