cache_metadata | R Documentation |
Tools to access and handle cache metadata. These are advanced /
under-the-hood tools which you almost certainly should not use for anything.
[iarccrgtools::cache_clean_hash]
and
[iarccrgtools::cache_clean_all]
may be the exceptions.
cache_metadata_file_name()
cache_metadata_file_path()
cache_metadata_read()
cache_metadata_write(metadata)
cache_metadata_append_or_replace(hash, working.dir, input.file.path)
cache_metadata_refresh()
cache_hash(df)
cache_clean_hash(hash)
cache_clean_all()
metadata |
Metadata. |
hash |
Hash of an input dataset. |
working.dir |
Path to directory to include in metadata. |
input.file.path |
Path to input file (which must exist) to include in metadata. |
df |
|
[iarccrgtools::cache_metadata_file_path]
returns a string, the name of
to the cache metadata file.
[iarccrgtools::cache_metadata_file_path]
returns a string, the path
to the cache metadata.
[iarccrgtools::cache_metadata_read]
reads cache metadata from the path
given by
[iarccrgtools::cache_metadata_file_path]
. Returns a data.table
with
zero rows if no file found.
[iarccrgtools::cache_metadata_write]
writes metadata
to the path given by
[iarccrgtools::cache_metadata_file_path]
.
[iarccrgtools::cache_metadata_append_or_replace]
appends data to
the cache metadata, or replaces data that already exists for the
same input file path, if any.
[iarccrgtools::cache_metadata_refresh]
removes any non-existing
directories from the cache metadata.
[iarccrgtools::cache_hash]
outputs a hash for the input data.frame
.
[iarccrgtools::cache_clean_hash]
removes all cache dirs for the given hash.
Also cleans up the cache metadata.
[iarccrgtools::cache_clean_all]
removes all cache dirs.
Also cleans up the cache metadata.
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