warn_invalid_ids: Warn about ids missing from a table, with cli

In gtfstools: General Transit Feed Specification (GTFS) Editing and Analysing Tools

Warn about ids missing from a table, with cli

Description

The cli counterpart of warn_missing_ids(), whose base warning() text the older callers keep. Raises a warning of class ⁠gtfstools_invalid_<id_name>⁠ listing the distinct elements of id not found in existing_id.

Usage

warn_invalid_ids(id, existing_id, table, id_name)

Arguments

id	A character vector of ids given by the user, or NULL.
existing_id	A character vector of the ids that exist in the table.
table	The name of the table, used in the warning message.
id_name	The name of the id field, used in the warning message and in the condition class.

Value

The distinct missing ids, invisibly (NULL if id is NULL).

gtfstools documentation built on Oct. 28, 2026, 5:13 p.m.