List OAI-PMH identifiers
list_identifiers( url = "http://api.gbif.org/v1/oai-pmh/registry", prefix = "oai_dc", from = NULL, until = NULL, set = NULL, token = NULL, as = "df", ... )
url | (character) OAI-PMH base url. Defaults to the URL for arXiv's OAI-PMH server (http://export.arxiv.org/oai2) or GBIF's OAI-PMH server (http://api.gbif.org/v1/oai-pmh/registry) |
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prefix | Specifies the metadata format that the records will be returned in. |
from | specifies that records returned must have been created/update/deleted on or after this date. |
until | specifies that records returned must have been created/update/deleted on or before this date. |
set | specifies the set that returned records must belong to. |
token | a token previously provided by the server to resume a request where it last left off. |
as | (character) What to return. One of "df" (for data.frame; default), "list", or "raw" (raw text) |
... | Curl options passed on to |
if (FALSE) { # from recently <- format(Sys.Date() - 1, "%Y-%m-%d") list_identifiers(from = recently) # from and until list_identifiers(from = '2018-06-01T', until = '2018-06-14T') # set parameter - here, using ANDS - Australian National Data Service list_identifiers(from = '2018-09-01T', until = '2018-09-05T', set = "dataset_type:CHECKLIST") }