Set and get a Flickr API key to/from environment variables.
Get Flickr API key from environment variables
setFlickrAPIKey(api_key, overwrite = FALSE, install = FALSE)set_flickr_api_key(api_key, overwrite = FALSE, install = FALSE)
getFlickrAPIKey(api_key = NULL)
get_flickr_api_key(api_key = NULL)
Flickr API key
If `TRUE`, overwrite existing token; Default: `FALSE`
If `TRUE`, install token for use in future sessions; Default: `FALSE`