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with_libpaths

Library paths


Description

Temporarily change library paths.

Usage

with_libpaths(new, code, action = "replace")

local_libpaths(new = list(), action = "replace", .local_envir = parent.frame())

Arguments

new

[character]
New library paths

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

Other libpaths: with_temp_libpaths()

Examples

.libPaths()
new_lib <- tempfile()
dir.create(new_lib)
with_libpaths(new_lib, print(.libPaths()))
unlink(new_lib, recursive = TRUE)

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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