IBM TSO/E REXX User Manual page 234

library (continued)
SYSEXEC 17, 174
SYSPROC 17, 174
system level 195
user-level 195
LIFO (last in first out) 135
LINK host command environment 102
LINKMVS host command environment 102
LINKPGM host command environment 102
LISTALC STATUS command 186
LISTDS command 187
LISTDSI external function 120
literal string 9
logical (Boolean) operator
false (0) 33
true (1) 33
type of 33
logical AND 33
logical NOT 33
loop
altering the flow 50
combining types 55
conditional 52
DO/END 47
DO FOREVER 49
DO UNTIL 53
DO WHILE 52
exiting prematurely 50
infinite 48, 49
ITERATE 50
LEAVE 50
nested DO loop 55
repetitive 47
stopping 48
lowercase character
changing to uppercase 20, 23
preventing the change to uppercase 20, 23
LU62 host command environment 102, 105
M
MAKEBUF command 143
message
error 19
getting more information 19
explanation 19
interpreting 19
tracing 37
MFJOB 129
MFOSNM 129
MFSNMJBX 129
MFTIME 129
move
information from one data set to another 159
MVS batch
comparison to TSO/E background 180
running an exec 178
using IRXJCL 178
using the data stack 180
MVS host command environment 102
MVSVAR external function 123
216
z/OS V1R1.0 TSO/E REXX User's Guide
N
name for variable
restriction on naming 26
valid name 26
NEWSTACK command 148
non-TSO/E address space
running an exec 177
Notices 205
null instruction 14
numeric constant
decimal number 28
floating point number 28
signed number 28
whole number 28
O
operator
arithmetic 28
order of priority 29
Boolean 33
comparison 30
concatenation 34
logical 33
order of priority 35
OUTTRAP external function 123
P
parameter 24
parentheses 98
PARSE ARG instruction 88
PARSE EXTERNAL instruction 140
PARSE instruction
preventing translation to uppercase 20, 23
PARSE PULL instruction 88, 137
PARSE UPPER ARG instruction 88
PARSE UPPER PULL instruction 88
PARSE UPPER VALUE instruction 89
PARSE UPPER VAR instruction 89
PARSE VALUE...WITH instruction 89
PARSE VAR instruction 89
parsing
description 87
instruction
ARG 88
PARSE ARG 88
PARSE PULL 88
PARSE UPPER ARG 88
PARSE UPPER PULL 88
PARSE UPPER VALUE 89
PARSE UPPER VAR 89
PARSE VALUE...WITH 89
PARSE VAR 89
PULL 88
multiple strings 92
separator
blank 89
number 90
string 90
variable 90