check_version: Check PID version

In metajam: Easily Download Data and Metadata from 'DataONE'

Description

This function takes an identifier and checks to see if it has been obsoleted.

Usage

check_version(pid, formatType = NULL)

Arguments

pid	(character) The persistent identifier of a data, metadata, or resource map object on a DataONE member node.
formatType	(character) Optional. The format type to return (one of data, metadata, or resource).

Value

(data.frame) A data frame of object version PIDs and related information.

Examples

## Not run: 
# Most data URLs and identifiers work
check_version("https://cn.dataone.org/cn/v2/resolve/urn:uuid:a2834e3e-f453-4c2b-8343-99477662b570")
check_version("doi:10.18739/A2ZF6M")

# Specify a formatType (data, metadata, or resource)
check_version("doi:10.18739/A2ZF6M", formatType = "metadata")

# Returns a warning if the identifier has been obsoleted
check_version("doi:10.18739/A2HF7Z", formatType = "metadata")

# Returns an error if no matching identifiers are found
check_version("a_test_pid")

# Returns a warning if several identifiers are returned
check_version("10.18739/A2057CR99")

## End(Not run)

metajam documentation built on Nov. 8, 2020, 4:32 p.m.