withr (version 2.3.0)

with_path: PATH environment variable

Description

Temporarily change the system search path.

Usage

with_path(new, code, action = "prefix")
local_path(new = list(), action = "prefix", .local_envir = parent.frame())

Arguments

new

[character] New PATH entries

code

[any] Code to execute in the temporary environment

action

[character(1)] Should new values "replace", "prefix" or "suffix" existing paths

.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

Sys.setenv()

Examples

# NOT RUN {
# temporarily modify the system PATH, *replacing* the current path
with_path(getwd(), Sys.getenv("PATH"))
# temporarily modify the system PATH, *appending* to the current path
with_path(getwd(), Sys.getenv("PATH"), "suffix")
# }