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Check that an output directory is writable

Source: R/check_dir_writable.R
check_dir_writable.Rd

This helper validates that a given directory exists and that the current R process has permission to create and delete a temporary file in it. It is intended for use before writing output files.

Usage

check_dir_writable(out_dir)

Arguments

out_dir

character(1). Path to the directory that should be writable.

Value

Returns TRUE invisibly when the directory exists and is writable. The function otherwise throws an error describing the problem:

  • if the directory does not exist, an error stating that it does not exist;

  • if the directory is not writable, an error stating that it is not writable.

See also

Other preflight: check_raster_uniformity(), check_zonation_executable()

Examples

if (FALSE) { # \dontrun{
check_dir_writable(tempdir())
} # }