run_servr: Spawn a child R session that runs a 'blocking' command
Description
Run a blocking command in a child R session (for example a file server or shiny app)
Usage
run_servr(directory = ".", port = 4848, code = "servr::httd(dir='%s', port=%d)")
Arguments
directory
path that the server should map to.
port
port number to _attempt_ to run server on.
code
R code to execute in a child session
Value
port number of the successful attempt