opencage_key: Retrieve Opencage API key
Description
Soft-deprecated and will be removed from the package together with
opencage_forward()
and opencage_reverse()
.
Retrieves the OpenCage API Key from the environment variable OPENCAGE_KEY
.
Usage
opencage_key(quiet = TRUE)
Arguments
quiet
Logical vector of length one indicating whether the key is
returned quietly or whether a message is printed.