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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