load_or_create: Load a file from a cache directory, or create and save it

In phac-nml/pavian: Visualize and analyze metagenomics classification results

Description

Load a file from a cache directory, or create and save it

Usage

load_or_create(f, name, recreate = FALSE, cache_dir = "cache")

Arguments

f	function to call when the file does not exist.
name	name of cache file (including .rds).
recreate	if TRUE, recreate the file even if it exists.
cache_dir	directory that contains cache files. It is created if it does not exist.

Value

object created by function f, or stored in cache file

Examples

## Not run: 
 load_or_create(function() {
   rnorm(10000)
 }, "rnorm-results.rds", recreate=FALSE, cache_dir="cache")

## End(Not run)

phac-nml/pavian documentation built on Aug. 20, 2019, 5:54 a.m.