Evaluate an expression under a specified working directory

Change the working directory, evaluate the expression, and restore the working directory.

Usage

in_dir(dir, expr)

Arguments

dir

Path to a directory.

expr

An R expression.

Examples

library(xfun)
in_dir(tempdir(), {
    print(getwd())
    list.files()
})
#> [1] "/tmp/Rtmp55kgES"
#> [1] "bslib-ef6b9ec08bc2aa65bdda76017d8e3f9a"
#> [2] "downlit"                               
#> [3] "file327f0d29ef3466"                    
#> [4] "file327f0d45fa61fc"                    
#> [5] "file327f0d4ecee6ee"