wf_check_request: check ECMWF / CDS data requests
Description
Check the validaty of a data request, and login credentials.
Usage
wf_check_request(user, request)
Arguments
user
user (email address) used to sign up for the ECMWF data service,
used to retrieve the token set by wf_set_key
request
nested list with query parameters following the layout
as specified on the ECMWF API page
Value
a data frame with the determined service and url service endpoint