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Load Codelist Metadata Cache

Source: R/metadata.R
load_codelist_metadata.Rd

Loads per-codelist metadata (timestamps, TTL) from cache. Returns empty list if cache doesn't exist or is corrupted.

Usage

load_codelist_metadata(cache_dir = .istatlab_cache_dir())

Arguments

cache_dir

Character, cache directory path. Defaults to the ISTATLAB_CACHE_DIR environment variable, or "meta" if unset.

Value

Named list of codelist metadata, where each element contains:

  • first_download: POSIXct timestamp of first download

  • last_refresh: POSIXct timestamp of last refresh

  • ttl_days: Numeric TTL in days for this codelist

Examples

if (FALSE) { # \dontrun{
# Load codelist metadata
cl_meta <- load_codelist_metadata()
# Access metadata for specific codelist
cl_meta[["CL_FREQ"]]$ttl_days
} # }