List identifiers of the Pangaea repository
Usage
pg_list_identifiers(
prefix = "oai_dc",
from = NULL,
until = NULL,
set = NULL,
token = NULL,
as = "df",
...
)Arguments
- prefix
A character string to specify the metadata format in OAI-PMH requests issued to the repository. The default (
oai_dc) corresponds to the mandatory OAI unqualified Dublin Core metadata schema.- from
Character string giving datestamp to be used as lower bound for datestamp-based selective harvesting (i.e., only harvest records with datestamps in the given range). Dates and times must be encoded using ISO 8601. The trailing Z must be used when including time. OAI-PMH implies UTC for data/time specifications.
- until
Character string giving a datestamp to be used as an upper bound, for datestamp-based selective harvesting (i.e., only harvest records with datestamps in the given range).
- set
A character string giving a set to be used for selective harvesting (i.e., only harvest records in the given set).
- token
(character) a token previously provided by the server to resume a request where it last left off. 50 is max number of records returned. We will loop for you internally to get all the records you asked for.
- as
(character) What to return. One of "df" (for data.frame; default), "list", or "raw" (raw text)
- ...
Curl debugging options passed on to
oai::list_identifiers()
See also
wraps oai::list_identifiers()
Other oai methods:
pg_get_record(),
pg_identify(),
pg_list_metadata_formats(),
pg_list_records(),
pg_list_sets()
Examples
if (FALSE) { # \dontrun{
pg_list_identifiers(
from = paste0(Sys.Date() - 4, "T00:00:00Z"),
until = paste0(Sys.Date() - 3, "T18:00:00Z")
)
pg_list_identifiers(set="geocode1", from=Sys.Date()-1, until=Sys.Date())
pg_list_identifiers(prefix="iso19139", from=Sys.Date()-1, until=Sys.Date())
pg_list_identifiers(prefix="dif",
from = paste0(Sys.Date() - 2, "T00:00:00Z"),
until = paste0(Sys.Date() - 1, "T18:00:00Z")
)
} # }