Function that return a possibly cached file, transparently downloading it if missing

Function that return a possibly cached file, transparently downloading it if missing

Usage

cacheManager(nameFile)

Arguments

nameFile

character. file to resolve cached path.

Value

file path of the resolved cached file.

Localisation

Cache path discovery protocol

1. BIOMASS.cache option set to an existing folder

2. existing user data folder rappdirs::user_data_dir()

   • On Linux : ~/.local/share/R/BIOMASS

   • On Mac OS X : ~/Library/Application Support/R/BIOMASS

   • On Windows 7 up to 10 : C:\\Users\\<username>\\AppData\\Local\\R\\BIOMASS

   • On Windows XP : C:\\Documents and Settings\\<username>\\Data\\R\\BIOMASS

3. fallback to R session tempdir