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Run a function in another environment's R

Source: R/pixi_r.R
pixi_r.Rd

Call a function in the R of another Pixi environment, e.g. one with another version of R, and get its result back, like callr::r(). The function runs in a new R process, started with pixi run, so it uses that environment's R and packages; your current R is left alone.

The function and its arguments are copied to the new R, but not the variables around it. Refer to packages with :: or load them in the function, and pass in what it needs as arguments.

Usage

pixi_r(func, args = list(), environment = NULL, show = TRUE, path = NULL)

Arguments

func

A function.

args

A list of arguments to call it with.

environment

Optional. The environment. Defaults to default.

show

If TRUE, show the function's output while it runs.

path

The project. Defaults to the project of the running Pixi environment, or the working directory.

Value

The function's result.

Examples

if (FALSE) { # \dontrun{
pixi_r(function() R.version.string, environment = "r44")
pixi_r(function(x) packageVersion(x), list("dplyr"), environment = "r44")
} # }