pageWhile: Utility function to page through results until done.

In jhnwllr/gbifapi: Package calls gbif api with a url and returns a list

Utility function to page through results until done.

Description

Utility function to page through results until done.

Usage

pageWhile(FUN = f, Step = 100, maxPages = 10, verbose = TRUE)

Arguments

FUN	anonymous function with api call to pass.
Step	numeric step size.
maxPages	numeric maximum number of pages to go through.
verbose	logical indicating whether to print page output.

Value

a list all the pages called.

Examples

## Not run: 


key = datasetkey #

f = function(datasetkey=key, ...) { # anonymous function to be run with page while
 x = list(...) # get Step and Page variables passed in by pageWhile
 prefix = "http://api.gbif.org/v1/occurrence/search?limit=0&facet=taxonKey"
 gbifapi::gbifapi(prefix %+% "&" %+% "datasetKey=" %+% datasetkey %+% "&" %+% gbifapi::pager(x$Step,x$Page))$facets[[1]]$counts
}

CL = pageWhile(FUN=f,Step=100,maxPages=1) # get pages while is not done.






## End(Not run)

jhnwllr/gbifapi documentation built on April 30, 2022, 12:55 p.m.