subkeyword
120
subroutine
comparison to a function
57, 70
description
57
protecting variable
62
writing
58
subsidiary list
142, 155
SUBSTR
192
substring
192
suggested readings
xix
symbols and strings in DBCS
396
SYNONYM command
254
syntax
387
rules of REXX
6
SYNTAX condition of SIGNAL instruction
226, 228
SYSSBA command
201
system libraries
422
systems administrator
421
T
tail
122
template
75
parsing
75
templates containing positional patterns
206
temporary command destination change
132
temporary storage queue (TSQ)
344
ten, powers of
223
TERMID command
129, 374
terms and data
115
text editor
231
text spacing
191
tips, tracing
168
TO phrase of DO instruction
138
TOP command
254
trace
trace operation
29
Trace End (TE) immediate command
411
TRACE instruction
85, 127
Trace Start (TS) immediate command
411
traceback, on syntax error
169
tracing results
30
tracing tips
168
transaction identifier
231, 421
TRUNC command
254
truncating numbers
195
type of data checking with DATATYPE
180
typing in a program
11
U
unassigning variables
142
unconditionally leaving your program
143
underflow, arithmetic
224
uninitialized variable
121
UNTIL phrase of DO instruction
138
unusual change in flow of control
225
UP command
255
Update CICS Initialization JCL
432
Update CICSTART.PROC
432
Update LSRPOOL Definitions
431
Usa option of DATE function
182
user's guide
3, 99
USERS directory
257, 273
users, identifying
196
using a period as a placeholder
75
V
value of variable, getting with VALUE
196
VALUE option of PARSE instruction
153
VAR option of PARSE instruction
153
VARDROP command
278
VARGET command
278
variable
definition
19
description
19
names
19
type of value
20
value
20
variable string pattern in parsing
76
VARPUT command
279
verbs
DEFINE
296
PANEL
299
Verify the Installation
434
verifying contents of a string
197
VERSION option of PARSE instruction
154
W
WAITREAD command
375
WAITREQ command
282, 291, 376
warning, STORAGE function
201
Weekday option of DATE function
182
what this book is about
xix
where to find more information
438
WHILE phrase of DO instruction
138
who this book is for
xix
word from a string
197
WRITE command
273, 279
writing
REXX programs
5
X
XOR, logical
118
XORing character strings together
177
Y
you should know
xix
Index
453