Prompted Input is the simplest form of Input. The Application Program prompts
the User to reply to a request for input and waits for a valid response.
The Input may be a filename, a Yes/No
response to enable or disable some later action, or a value (Integer or Real
etc.) to which some internal variable should be set. UIPACK aids the Application
Programmer in supplying this type of User Interface by providing the Subprograms
to perform the prompting and validation of the responses. Thus, if an Integer
response was desired, UIPACK will check for correct syntax rather than the
Application Programmer having to do it himself. UIPACK aids the User of such
a Program by allowing the experienced User to supply several responses on
the same line, thereby bypassing later prompting.