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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

Examples

# 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")
withr

Run Code 'With' Temporarily Modified Global State

v2.4.2
MIT + file LICENSE
Authors
Jim Hester [aut, cre], Kirill Müller [aut], Kevin Ushey [aut], Hadley Wickham [aut], Winston Chang [aut], Jennifer Bryan [ctb], Richard Cotton [ctb], RStudio [cph]
Initial release

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