Chapter 8. Intrinsic Special Variables
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GT.M Programmer's Guide > Intrinsic Special Variables

Chapter 8. Intrinsic Special Variables

Table of Contents

$Device
$ECode
$EStack
$ETrap
$Horolog
$IO
$Job
$Key
$Principal
$Quit
$Reference
$STack
$Storage
$SYstem
$Test
$TLevel
$TRestart
$X
$Y
$ZA
$ZALlocstor
$ZAUDit
$ZB
$ZCHset
$ZCLose
$ZDAteform
$ZCMdline
$ZCOmpile
$ZCstatus
$ZDirectory
$ZEDit
$ZEOf
$ZError
$ZGbldir
$ZHorolog
$ZICUver
$ZINInterrupt
$ZINTerrupt
$ZIO
$ZJob
$ZKey
$ZLevel
$ZMALLoclim
$ZMAXTPTIme
$ZMOde
$ZONLNrlbk
$ZPATNumeric
$ZPIN
$ZPOSition
$ZPOUT
$ZPROMpt
$ZQuit
$ZREalstor
$ZRELdate
$ZROutines
Establishing the Value from $gtmroutines
Setting a Value for $ZROutines
$ZROutines Examples
$ZROutines Search Types
$ZROutines Search Examples
Shared Library File Specification in $ZROUTINES
$ZSOurce
$ZStatus
$ZSTep
$ZSTRPllim
$ZSYstem
$ZTExit
$ZTIMeout
$ZTrap
$ZUSedstor
$ZUT
$ZVersion
$ZYERror
Triggers ISVs
$ZTDAta
$ZTDElim
$ZTLevel
$ZTNAME
$ZTOLdval
$ZTRIggerop
$ZTSlate
$ZTUPdate
$ZTVAlue
$ZTWOrmhole

This chapter describes the M Intrinsic Special Variables implemented in GT.M. All entries starting with the letter Z are GT.M additions to the ANSI standard Intrinsic Special Variables. None of the Intrinsic Special Variables are case sensitive.

M Intrinsic Special Variables start with a single dollar sign ($). GT.M provides such variables for program examination. In some cases, the Intrinsic Special Variables may be set to modify the corresponding part of the environment.

[Note] Note

None of the Intrinsic Special Variables can be KILLed. SETting or NEWing is generally not allowed, but is specifically noted in the descriptions of those that do.

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