version_history: List preston version history starting with oldest version.

In jhpoelen/reston: a biodiversity dataset tracker

Description

Please use version_history_iter for incrementally retrieving version.

Usage

version_history(query_hash = first_version_query_hash(),
  query = query_internet_archive)

Arguments

query_hash	query_hash explicitly specify version to start with
query	a function that takes a query hash and returns a content hash

Value

list of versions, starting with the oldest

Examples

 version_list <- version_history(query_internet_archive)
 head(version_list)
 # "hash://sha256/c253a5311a20c2fc082bf9bac87a1ec5eb6e4e51ff936e7be20c29c8e77dee55"

jhpoelen/reston documentation built on April 11, 2020, 11:51 a.m.