IBM TSO/E REXX User Manual

data stack (continued)
protecting an element 147
removing an element 137
removing an element from a stack with a buffer 143
search order for processing 139
type of input 139
using in MVS batch 180
using in TSO/E background 180
DATATYPE built-in function 66
DBCS 14
ddname
allocating to for I/O 156, 158
use in EXECIO command 156, 158
debug
for error 111
interactive debug facility 113, 114
with REXX special variable 112, 113
DELSTACK command 149
diagnosis
problem within an exec 111
DO/END instruction 47
DO FOREVER loop 49
DO UNTIL loop
flowchart 53
DO WHILE loop
flowchart 52
double-byte character set names
in execs 14
DROPBUF command 144
E
edit
an exec 189
environment
defining in REXX 181
host command 101
language processor 181
error
debugging 37, 111
tracing command 111
tracing expression 37
error message
getting more information 19
interpreting 19
syntax error 19
example
use of uppercase and lowercase xiv
exclusive OR 33
exec
allocating to a file 17
comment line 8
description xiii, 8
editing in ISPF 189
example 8
identifying as an exec 8
interactive 8
invoking a CLIST 175
invoking as a command 100
passing information to 21
prompting a user for input to a TSO/E
command 100
exec (continued)
prompting the user for input to a TSO/E
command 124, 149
receiving input 22
returning information to a CLIST 176
running
error message 19
explicitly 16, 173
from a CLIST 173, 175
from another exec 173
implicitly 17, 173, 185
implicitly with ALTLIB 195
in a TSO/E address space 173
in non-TSO/E address space 177
in the background 176
in the foreground 173
where to run 16
with % 18
with IKJEFT01 176, 177
with IRXEXEC 177
with IRXJCL 178
with JCL 177
service available 171
using blank line 14
using double-byte character set names 14
writing 8
EXEC command 16, 22, 149
prompt option 100
with data set name as argument 98
exec identifier 8, 14, 174
EXECIO command
adding information to a data set 160
copying information to a data set 159
copying information to and from compound
variables 161
description 154
example 163
reading information from a data set 155
return code 159
updating information to a data set 162
writing information to a data set 157
EXECUTIL HI command 49
EXECUTIL SEARCHDD 174
EXECUTIL TE command 117
EXECUTIL TS command 114, 115
EXIT instruction 57, 71, 78
explicit execution
EXEC command 16
from ISPF/PDF command line 16
from ISPF/PDF command option 16
from READY 16
expression
arithmetic 28
order of evaluation 29
Boolean 32
comparison 30
concatenation 34
definition 28
logical 32
tracing 37
Index 213

IBM TSO/E REXX Specifications

General

Brand	IBM
Model	TSO/E REXX
Category	Computer Hardware
Language	English