| INPUTCTRL | Index Level | INPUTNULL |
| Syntax | INPUTERR string.expression |
| Category | BASIC |
| Type | Statement |
| Description |
displays a message on the "status" (bottom) line of the terminal.
If "inputerr" is used in a subroutine call from UP, the item cannot be filed if an error exists. In this case, control returns to the UP input screen. |
| Options | |
| See Also | statements & functions INPUTNULL INPUTTRAP ... GOTO string.expression INPUTTRAP ... GOSUB call callx subroutine WRITE DELETE |
| Example |
This program has a single valid entry, "e". If any other string is entered, the string "Entry error" displays on the error message line.
string='' prompt '' loop crt @(0,10): input string,5 until string='e' do inputerr 'Entry error' repeat |
| Warnings | |
| Compatibility | D3 7.0 AP R83 |
| INPUTCTRL | Index Level | INPUTNULL |