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.
Examples
.libPaths()
#> [1] "/home/runner/work/_temp/Library" "/opt/R/4.3.2/lib/R/site-library"
#> [3] "/opt/R/4.3.2/lib/R/library"
new_lib <- tempfile()
dir.create(new_lib)
with_libpaths(new_lib, print(.libPaths()))
#> [1] "/tmp/RtmpP0KrJB/file183f6de66094" "/opt/R/4.3.2/lib/R/site-library"
#> [3] "/opt/R/4.3.2/lib/R/library"
unlink(new_lib, recursive = TRUE)