The Modern RPG IV Language

weak parameter module, 455

well-formed routines in structured programming, 431–432

WHEN, 103, 117, 126, 128, 188, 382–383, 417, 436, 463

ANDxx and, 213, 382

CASE and, 440–441

DOxx and, 382–383

ENDSL and, 382–383

fixed format conditional syntax in, 200

IF and, 382–383

natural expression support in, 200

ORxx and, 320, 382

OTHER and, 321, 382–383

SELECT and, 353–354, 382–383

syntax diagram for, 199

WHEN DO, 409

workstations, workstation files (See also device files), 205, 344, 517–518

CHAIN and, 229–231

device file processing, 517–518

DSPLY, 258–259

dumb terminals as, 517–518

nonprogrammable terminals (NPT) as, 517

output specifications (WRKSTN files) and, 82

personal computers (PCs) as, 517–518

read next changed file using READC, 334

write/read, EXFMT and, 273

WRITE, 86, 188, 384–385, 496, 514, 524–525

cursor positioning after successful operation of, 509

EXFMT and, 273, 520

file processing and, 495

syntax diagram for, 199

workstation device file processing and, 518