목록until (2)
Gentle Breeze
▶ PERFORM with UNTIL phrase In the UNTIL phrase format, the procedures referred to are performed until the condition specified by the UNTIL phrase is true. Control is then passed to the next executable statement following the PERFORM statement. If procedure-name-1 is specified, imperative-statement-1 and the END-PERFORM phrase must not be specified. condition-1 Can be any condition described und..
▶ PERFORM statement The PERFORM statement transfers control explicitly to one or more procedures and implicitly returns control to the next executable statement after execution of the specified procedures is completed. The PERFORM statement is: - An out-of-line PERFORM statement When procedure-name-1 is specified. - An in-line PERFORM statement When procedure-name-1 is omitted. An in-line PERFOR..