ISPRINT

The ISPRINT function will check that the expression consists of entirely printable characters.

COMMAND SYNTAX

    ISPRINT(expression)

SYNTAX ELEMENTS

The expression can return a result of any type. The ISPRINT function will then return TRUE (1) if the expression consists of entirely printable characters. The function will return FALSE (0) if the expression contains any characters, which are not printable.

INTERNATIONAL MODE

When the ISPRINT function is used in International Mode the properties of each character is determined according to the Unicode Standard.

TAFJ note: an example that works incorrectly: 

       a_string = 'cawerc' :@FM
       IF ISPRINT(a_string) THEN CRT 'ISPRINT()'
       ELSE CRT 'NOT ISPRINT()'

Expected result: NOT ISPRINT().

Result: ISPRINT().

Last update: Tue, 30 Aug 2022 14:26