error
379, 387
debugging
29
ERROR
225
ERROR condition of SIGNAL and CALL
instructions
228
error messages
12
ETMODE
151
European option of DATE function
182
evaluation of expressions
115
example
244
ADDRESS instruction
10
AUTH
260
AUTHUSER command
320
C2S command
331
CD command
321
CEDA command
323
CEMT command
324
CKDIR
260, 275
CLD command
325
CONVTMAP command
326
COPY
261
COPYR2S command
328
COPYS2R command
330
current directory
258, 259
debug aids
412
DEFCMD command
333
DEFSCMD command
336
DELETE
261, 275
DIR command
339
DISKR
262
DISKW
262
EDIT command
340
EXEC command
338
EXECDROP command
342
EXPORT command
349
FILEPOOL command
351
FLST command
268, 352
fully qualified file ID
257
GETDIR
263
GETVERS command
353
IMPORT command
355
JOIN command
245
LEFT command
245
LINEADD command
245
LISTCLIB command
357
LISTCMD command
356
LISTELIB command
358
LISTPOOL command
359
longer REXX program
6
LPREFIX command
246
LPULL
276
LPUSH
276
LQUEUE
277
MACRO command
246, 269
MKDIR
263, 277
MSGLINE command
247
NULLS command
247
NUMBERS command
248
PATH command
361
PFKEY command
248, 269
PFKLINE command
249
example (continued)
PSEUDO command
362
QQUIT command
249
QUERY command
250
QUIT command
250
RDIR
264
READ
278
RESERVED command
251
RESET command
251
RIGHT command
252
S2C command
373
sample panel
310
SAVE command
252
SCRNINFO command
368
simple REXX program
5
SORT command
253
SPLIT command
253
STRIP command
254
SYNONYM command
254
TERMID command
374
TOP command
254
TRUNC command
255
UP command
255
using DBCS names
11
VARDROP
278
VARGET
279
VARPUT
279
WAITREAD command
375
WAITREQ command
376
exception conditions saved during subroutine calls
136
exclusive OR operator
26, 118
exclusive-ORing character strings together
177
EXEC command
241, 341
exec identifier
10
EXECDB2 command environment
285
EXECDROP command
342
EXECIO command
344
EXECLOAD command
105, 346
EXECMAP command
348
EXECSQL command environment
285
EXECUTE command
272
exercise
calculating arithmetic expressions
23
comparison expressions
25
logical expressions
27
operators
29
TRACE instruction
30
writing a function
68
EXIT instruction
48, 59
EXPORT command
349
EXPOSE option of PROCEDURE instruction
155
exposed variable
155
expression
arithmetic
21
comparison
23
concatenation
27
definition
19
definitions
21
tracing
29
expressions
20
EXTERNAL option of PARSE instruction
152
Index
449