Description Usage Arguments Details Examples
Parse Darwin Core Archive
1 |
input |
(character) Path to local zip file, directory, or a url. If a URL it must be for a zip file. |
read |
(logical) Whether or not to read in data files. If |
... |
Further args passed on to |
Note that sometimes file reads fail. We use data.table::fread()
internally, which is very fast, but can fail sometimes. If so, try reading
in the data manually.
When you pass in a URL, we use rappdirs to determine cache path, and if you pass the same URL again, and your cache is not cleared, we'll pull from the cache. Passing a file or directory on your local system won't invoke the caching route, but will go directly to the file/directory.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | ## Not run:
# set up a temporary directory for the example
dwca_cache$cache_path_set(path = "finch", type = "tempdir")
dir <- system.file("examples", "0000154-150116162929234", package = "finch")
# Don't read data in
(x <- dwca_read(dir, read=FALSE))
x$files
x$highmeta
x$dataset_meta[[1]]
x$data
# Read data
(x <- dwca_read(dir, read=TRUE))
head(x$data[[1]])
# Can pass in a zip file
zip <- system.file("examples", "0000154-150116162929234.zip",
package = "finch")
(out <- dwca_read(zip))
out$files
out$highmeta
out$emlmeta
out$dataset_meta
# Can pass in zip file as a url
url <-
"https://github.com/ropensci/finch/blob/master/inst/examples/0000154-150116162929234.zip?raw=true"
(out <- dwca_read(url))
# another url
url <- "http://ipt.jbrj.gov.br/jbrj/archive.do?r=redlist_2013_taxons&v=3.12"
(out <- dwca_read(url))
## End(Not run)
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