This function is called within the mapMetadata function.
It prompts a response from the user.
Usage
user_prompt(prompt_text, any_keys)
Arguments
- prompt_text
Text to display to the user, to prompt their response.
- any_keys
Boolean to determine if any key responses are allowable.
If FALSE, only these are allowed: Y, y, N and n.
Value
It returns variable text, depending on any_keys.
