oai (version 0.4.0)

list_identifiers: List OAI-PMH identifiers

Description

List OAI-PMH identifiers

Usage

list_identifiers(
  url = "http://api.gbif.org/v1/oai-pmh/registry",
  prefix = "oai_dc",
  from = NULL,
  until = NULL,
  set = NULL,
  token = NULL,
  as = "df",
  ...
)

Arguments

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)

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 GET

Examples

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")
}