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Download a File With Diagnostic Error Messages

Source: R/lib_data_loader.R
friendly_download.Rd

Wraps utils::download.file() and, on failure, prints plain-language guidance for the most common academic and corporate network problems (rate limiting, TLS-inspection VPNs, DNS failures, timeouts, HTTP 403). Optionally retries from a Wayback Machine snapshot URL.

Usage

friendly_download(url, target_path, attempt_wayback = NULL)

Arguments

url

URL to download.

target_path

Destination path on disk.

attempt_wayback

Wayback Machine snapshot URL tried as a fallback if the primary download fails. When NULL (the default) a snapshot is resolved automatically via wayback_snapshot_url(); pass an explicit URL to override the lookup, or "" to disable the fallback entirely.

Value

TRUE if either the primary download or the Wayback fallback succeeds, otherwise FALSE.