Run Code in a Temporary Sandbox Environment — with_extr

This function creates a temporary directory and sets it as R_USER_CACHE_DIR before executing the provided code block. It is used for testing or running code without affecting the user's default cache directory as required by CRAN for the examples .This function is not designed to be used by package users. Shamelessly "inspired" by some @luciorq code.

Usage

with_extr_sandbox(code, temp_dir = tempdir())

Arguments

code: The code to be executed inside the sandbox. Should be an expression.
temp_dir: A temporary directory created using temdir().

Value

The result of the executed code.

Examples

with_extr_sandbox(Sys.getenv("R_USER_CACHE_DIR"))
#> [1] "/tmp/RtmpMbdMYU"
with_extr_sandbox(tools::R_user_dir("extractox", "cache"))
#> [1] "/tmp/RtmpMbdMYU/R/extractox"