Retrieve files from the local cache

Source: R/retrieve.R

Retrieve files from the local cache

retrieve(id, dir = content_dir())

Arguments

id

a content_id
dir

the path we should use for permanent / on-disk storage of the registry. An appropriate default will be selected (also configurable using the environmental variable CONTENTID_HOME), if not specified.

Value

path to a local copy of the file.

See also

store

Examples

if (FALSE) { # interactive()

 ## Real users won't use a temporary dir
Sys.setenv("CONTENTID_REGISTRIES" = tempdir())


# Store & retrieve local file
vostok_co2 <- system.file("extdata", "vostok.icecore.co2",
                          package = "contentid")
 id <- store(vostok_co2)
 retrieve(id)

 ## Real users won't use a temporary dir
Sys.unsetenv("CONTENTID_REGISTRIES")

}