Temporarily change the system search path.
with_path(new, code, action = "prefix")local_path(new, action = "prefix", .local_envir = parent.frame())
[character] New PATH entries
[any] Code to execute in the temporary environment
[character(1)] Should new values "replace", "prefix" or
"suffix" existing paths
[environment] The environment to use for scoping.
[any] The results of the evaluation of the code
argument.
withr for examples