Using logical processing3-6 Using LCDS Print Description LanguageTABLE MASKDefines mask characters used within string constants (specifiedby CONSTANT parameter). Also indicates which charactersdenote special type testing and what that type is.Syntax ac: TABLE MASK = (ignorechar [, charspec1 [, charspec2 [,...]]])OptionsDefault No defaultTABLE MASKparameter: pointsto note• Any valid character in the data character set, such as ASCIIand EBCDIC, may be used in the MASK parameter as amask character.• Any character that is not explicitly tested for absolute equalityby a TABLE command may be defined by the table MASKparameter as a mask character.• MASK parameter character definitions apply only to theTABLE command in which the definition occurs. As inunmasked comparisons, it is possible to specify multiplestrings in the CONSTANT parameter.• To define a character specification use the form 'char' or('char', 'char’, ...'char').• Mask characters should be defined using the same stringtype as in the string specified in the CONSTANT parameter.Table 3-4. TABLE MASK parameter options and definitionsOption Definitionignorechar Specifies a character that appears in positions that will not be compared, withina string constant.charspeci character specificationSpecifies a character that appears in positions within a string constant where atest for type i characters will be performed.
