download_library: Download and Load a UME Formula Library from Zenodo

In ume: Ultrahigh-Resolution Mass Spectrometry Data Evaluation for Complex Organic Matter

Download and Load a UME Formula Library from Zenodo

Description

Downloads one of the UME formula libraries from Zenodo only when explicitly called by the user.

Unlike earlier versions, this CRAN-compliant implementation:

• never writes to the user's filespace unless dest is explicitly provided

• does NOT create ~/.ume/ or any other default directory

• does NOT perform automatic caching

• In non-interactive environments (CRAN checks), the function returns NULL

Usage

download_library(
  library = "lib_05.rds",
  doi = "10.5281/zenodo.17606457",
  dest = NULL,
  overwrite = FALSE
)

Arguments

library	Character. One of "lib_02.rds" or "lib_05.rds".
doi	Character. Zenodo DOI.
dest	Optional file path where the library should be saved. If NULL, the library is loaded into memory only.
overwrite	Logical. Redownload even if dest exists?

Value

A data.table or NULL (in non-interactive mode).

ume documentation built on Dec. 13, 2025, 1:06 a.m.