Caché ObjectScript Reference - InterSystems Documentation

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System and Other Functionsa $ZDATE function call has more than three parameters, the valid date range is taken eitherfrom the $ZDATE mindate and maxdate parameters (if specified) or from the date rangeestablished for the current locale.The default setting of $ZUTIL(69,32) is 0 for all Caché products, and 1 for all ISM products.Setting the Behavior for Invalid DatesAn invalid date is either not a positive integer, or is not a value within the range of valid dates,as specified above.$ZUTIL(69,32,0) causes $ZDATE to issue the error message or if you submit an invalid date. The behavior can be overriddenby supplying an erropt to the $ZDATE call.$ZUTIL(69,32,1) causes $ZDATE to return the null string if you submit an invalid date.This behavior is set for any $ZDATE function call, regardless of the number of parameters.This configuration default cannot be changed using the System Management Portal.Setting $ZUTIL(69,32) overrides the System Configuration default; it does not change thedefault setting.Calling $ZUTIL(69,32)When you create a new process, its $ZDATE behavior is initialized from the current SystemConfiguration default and $ZUTIL(69,32). Calling $ZUTIL(68,32) overrides this behaviorfor the current process. Changing the setting of $ZUTIL(69,32) affects only processes subsequentlycreated, not existing processes.See Also• $ZDATE function• $ZUTIL(68,32) Set Date Range and Invalid Date Behavior function• More information on locales in Customized National Language Translations666 Caché ObjectScript Reference
$ZUTIL(69,34)$ZUTIL(69,34)Sets interruptability of processes by asynchronous errors system-wide.$ZUTIL(69,34,n)$ZU(69,34,n)ParametersnThe boolean value that specifies whether or not processes should be interrupted byreceiving asynchronous errors system-wide.Description$ZUTIL(69,34) allows you to set a system-wide switch that specifies whether all processesthat log on after the switch has been set can be interrupted by asynchronous errors. Theseasynchronous errors are documented in Transaction Processing in Using Caché ObjectScript.Invoking $ZUTIL(69,34) without specifying n returns the current switch setting.Setting $ZUTIL(69,34) overrides the default system-wide; it does not change the systemconfiguration setting. This configuration default cannot be changed using the System ManagementPortal.ParametersnA switch that determines whether all new processes can be interrupted by asynchronouserrors. 1 = Enables the reception of asynchronous errors (default); disconnect errors are sentasynchronously to the process. 0 = Disables the reception of asynchronous errors; the processonly gets the error when it enters the READ command.For this setting to be effective, modem disconnect detection must also be set. See$ZUTIL(69,15) — Modem Disconnect Detection System Default.NotesIf multiple asynchronous errors are detected for a particular job, the system will trigger atleast one asynchronous error. However, there is no guarantee what error will be triggered.Even if a process has disabled reception of asynchronous errors, an asynchronous error willbe triggered the next time the process issues a ZSYNC command.Caché ObjectScript Reference 667
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Caché ObjectScriptReferenceVersion
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Table of ContentsSymbols and Abbrev
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$ORDER ............................
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$ZB ...............................
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$ZUTIL(68,21) .....................
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$ZUTIL(128,1) .....................
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List of FiguresClient/Server Connec
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Symbols and AbbreviationsSymbol""##
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Symbols and AbbreviationsSymbol( )*
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Symbols Used in Caché ObjectScript
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Abbreviations Used in Caché Object
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Abbreviations Used in Caché Object
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Caché ObjectScript CommandsThis do
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BREAKBREAK without an ArgumentArgum
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BREAKNote:BREAK 0 is ineffective in
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DescriptionCLOSE device releases ow
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ArgumentspcAn optional postconditio
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outine with or without parameter pa
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The Argumentless DO CommandThe argu
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DOMainSET x=1,y=2,z=3WRITE !,"In Ma
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The DO command has a postconditiona
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DO WHILE• QUIT command• Argumen
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DO WHILEQUIT and GOTOThe QUIT comma
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ELSEELSEClause of block-oriented IF
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DescriptionFOR is a block-oriented
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FORMainloopFOR {READ !,"Number: ",n
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cution of the loop. The FOR loop te
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a range with initial value, increme
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ArgumentspcAn optional postconditio
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GOTOtestgotoAWRITE !,"running A"DO
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HALTIn the following example, HALT
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HANGNote:You cannot express hangtim
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ELSEIF and ELSE clauses are optiona
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JOBMainloopNEW sex,ageREAD !,"What
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JOBpcroutineroutine-paramsclassname
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have a formal parameter list with t
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JOBParameterprincipal-outputDescrip
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a jobbed process, you can use param
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Caché ObjectScript CommandsRemote
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Caché ObjectScript Commands• If
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Caché ObjectScript Commandsserver
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Caché ObjectScript CommandsDescrip
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Caché ObjectScript CommandsNotesKI
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Caché ObjectScript CommandsThe nod
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Caché ObjectScript CommandsLOCK Wi
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Caché ObjectScript Commandslocknam
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Caché ObjectScript Commands• Set
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Caché ObjectScript Commands• ^c
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Caché ObjectScript CommandsLocking
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Caché ObjectScript CommandsMERGEMe
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Caché ObjectScript CommandsInitial
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Caché ObjectScript CommandsNEWCrea
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Caché ObjectScript Commandssaves t
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Caché ObjectScript CommandsIn the
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Caché ObjectScript CommandsOPENAcq
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Caché ObjectScript Commands• Dev
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Caché ObjectScript Commandsmnespac
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Caché ObjectScript CommandsFor som
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Caché ObjectScript Commands• Wit
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Caché ObjectScript CommandsQUITTer
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Caché ObjectScript CommandsQUIT an
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Caché ObjectScript CommandsTest WR
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Caché ObjectScript CommandsThe var
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Caché ObjectScript CommandsNote th
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Caché ObjectScript CommandsA timeo
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Caché ObjectScript CommandsType of
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Caché ObjectScript CommandsReading
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Caché ObjectScript CommandsSETAssi
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Caché ObjectScript Commandswas cre
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Caché ObjectScript Commandswith th
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Caché ObjectScript CommandsFor exa
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Caché ObjectScript CommandsThe fol
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Caché ObjectScript CommandsDescrip
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Caché ObjectScript CommandsTROLLBA
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Caché ObjectScript CommandsArgumen
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Caché ObjectScript CommandsSee Als
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Caché ObjectScript CommandsSET ^a(
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Caché ObjectScript CommandsThe par
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Caché ObjectScript Commandsword) w
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Caché ObjectScript Commands• Log
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Caché ObjectScript Commands• VIE
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Caché ObjectScript CommandsAfter r
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Caché ObjectScript CommandsModen >
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Caché ObjectScript CommandsQUIT an
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Caché ObjectScript CommandsWRITEDi
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Caché ObjectScript CommandsfA form
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Caché ObjectScript CommandsMnemoni
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Caché ObjectScript CommandsCode-1-
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Caché ObjectScript CommandsAfter C
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Caché ObjectScript CommandsXECUTE
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Caché ObjectScript FunctionsA func
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$ASCII$ASCIIReturns the character c
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$ASCIISTSET String="ThIs Is a MiXeD
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$BIT// Set a to [0,0,1,1]SET $BIT(a
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ExamplesIf bitstring= [0,0,1,1,0],
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If bitstring = [0,0,1,1,0], when se
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$BITLOGICNote:When $BITLOGIC is sup
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See Also• $BIT function• $BITCO
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$CHARREAD "Input a number 1-3: ",xS
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$CHARABCACYou can use decimal numer
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$DATAStatusValue011011MeaningThe va
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$DATAWhen executed, this code might
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Because numbers generated by $DOUBL
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$EXTRACT$EXTRACTExtracts specified
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is an asterisk, $EXTRACT returns th
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$EXTRACTSET x="ABCD"SET $EXTRACT(x,
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$FACTOR• $ZEXP function• $ZLN f
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$FIND$FINDFinds a substring by valu
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$FNUMBER• $LIST function• $PIEC
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You can include the decimal option
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$GET$GETReturns the data value of a
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$GETIF $GET(^client(i))="" { QUIT }
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The num parameter can be a positive
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$INCREMENTKILL xyzWRITE !,$INCREMEN
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DescriptionThe $INUMBER function va
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$INUMBER• No sign or parentheses.
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In the following example, $INUMBER
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$ISVALIDNUMSET a="certainly not an
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$ISVALIDNUMmin and maxYou can speci
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$NORMALIZE parses multiple trailing
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the end of width. If the expression
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In the following example, the first
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$LIST• $LIST(list) returns the fi
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If the value of the position parame
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$LISTBUILDresults of $LISTBUILD are
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In the following example, ZZDUMP sh
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$LISTFINDSET x=$CHAR(0,0,0,1,16,27,
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If the value of the startafter para
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$LISTGET• $LISTFIND function• $
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If the value of the position parame
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$LISTNEXT$LISTNEXTRetrieves element
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Description$LISTSAME compares the c
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$LISTTOSTRING• $LISTNEXT• $LIST
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$NAME$NAMEReturns the name value of
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with a naked reference to return th
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$NEXT$NEXTReturns the value of the
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The scale parameter value causes th
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• Trailing + and - signs: Both fu
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• Rounding factor: an integer ind
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leading and trailing zeros, and del
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For unsubscripted local variables,
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$ORDER$ORDER Uses Naked Global Refe
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ParametersplistThe target string fr
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In the following example, both $PIE
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The following examples also returns
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$QLENGTH$QLENGTHReturns the number
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$QSUBSCRIPTCode< -1-10nReturn Value
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ExampleThis example presents a gene
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function uses a naked reference to
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$REVERSE$REVERSEReturns the charact
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or immediately after a $SELECT func
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If successful, $SORTBEGIN returns a
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$STACKDOXECUTE$$ECODEReturned when
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$STACK$STACK Code String Arguments
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$TEXTroutineIf specified alone, it
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$TRANSLATE$TRANSLATEPerforms charac
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$VIEW$VIEWReturns the contents of m
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double quotes. If the length parame
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$VIEWStart OPEN 63WRITE !,"Opening
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Math and Time FunctionsThe followin
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$ZARCSINREAD "Input a number: ",num
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$ZCOS210-1returns 1.107148717794090
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ParametersnAn angle in radians, spe
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$ZDATE$ZDATEValidates date and conv
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ParametershdateThe internal date fo
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$ZDATE“Jan Feb Mar Apr May Jun Ju
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$ZDATEerroptThis parameter suppress
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oth of the above lines generate a
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$ZDATE• $ZDATETIME function• $Z
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is a date, the second integer is a
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$ZDATEHSyntaxMmmmmMeaningFull name
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When yearopt=5, endwin is a numeric
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• If you specify an invalid dform
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• You can use the $ZDATEH functio
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• $ZDATETIME(hdatetime) returns t
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$ZDATETIMEtformatA numeric value th
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$ZDATETIMEThe monthlist string has
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$ZDATETIMEmindateA numeric value th
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ODBC date format (dformat=3) will a
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$ZDATETIMEH$ZDATETIMEHValidates dat
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$ZDATETIMEH• The format Mmm DD YY
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$ZDATETIMEHValue678MeaningExpress t
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$ZDATETIMEHstartwinA numeric value
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• If you specify an otherwise val
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$ZEXP$ZEXPReturns the natural logar
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ParametersnumA string value or a nu
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ExamplesThe following example write
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$ZPOWERgenerates an error.See Also
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values to the corresponding multipl
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an error. You can use the absolute
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$ZTIME$ZTIMEConverts the internal s
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In the examples that follow, Htime
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$ZTIMEH$ZTIMEHConverts a time value
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$ZTIMEHTime DelimiterBy default, Ca
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Routine, Debugging, and Other Comma
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Caché ObjectScript Special Variabl
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Structured System VariablesA struct
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the $ZNSPACE special variable to de
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^$JOB• ZNSPACE command• $ZNSPAC
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^$LOCKSET x=$QUERY(^$JOB(""))WRITE
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The following example tests for the
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DescriptionYou can use the ^$ROUTIN
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^$ROUTINE• $ORDER function• $QU
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System and Other Functionsnumbers,
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System and Other FunctionsThe bit_o
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System and Other FunctionsWRITE $ZB
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System and Other Functions$ZCONVERT
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System and Other FunctionsEncoding
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System and Other FunctionsDescripti
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System and Other FunctionsNote that
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System and Other FunctionsDeclarati
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System and Other Functionstypedef s
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System and Other FunctionsError Mes
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System and Other Functions$ZF(-2)Ex
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System and Other Functions$ZF(-3) c
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System and Other FunctionsEstablish
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System and Other Functions$ZISWIDEC
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System and Other FunctionsSee Also
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System and Other FunctionsParameter
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System and Other FunctionslangAn in
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System and Other FunctionsZNSPACE "
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System and Other Functions$ZPOSITIO
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System and Other FunctionsFor VMS,
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System and Other Functions$ZSTRIPRe
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System and Other FunctionsSET str="
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System and Other FunctionsReturn Va
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System and Other FunctionsThus, if
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System and Other FunctionsYou can u
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System and Other FunctionsExamplesT
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System and Other Functions$ZUTIL(18
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System and Other FunctionsSET A="Fr
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System and Other FunctionsthirdSpec
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System and Other FunctionsExampleWR
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System and Other FunctionsDatabase
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System and Other FunctionsCluster L
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System and Other FunctionsDirectory
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System and Other FunctionsAny form
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System and Other Functions• $ZUTI
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System and Other FunctionsSubfuncti
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System and Other FunctionsExampleTh
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System and Other FunctionsError on
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System and Other FunctionsWhen a ne
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System and Other FunctionsUSER>XECU
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Page 634 and 635: System and Other FunctionsDescripti
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Page 650 and 651: System and Other Functions• $GET
Page 654 and 655: System and Other Functionsor "RW" m
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Page 710 and 711: System and Other Functions• $TEST
Page 712 and 713: System and Other FunctionsValue6789
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System and Other FunctionsUSER>WRIT
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System and Other Functionsas the cu
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System and Other Functions• Go to
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System and Other FunctionsNote:Beca
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System and Other FunctionsExampleTh
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System and Other Functions• $ZLCH
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System and Other FunctionsConversio
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System and Other Functions$ZZENKAKU
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The %ZLANG Language Extension Libra
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Legacy Commands and FunctionsLegacy
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DescriptionDO (legacy version)Note:
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When a block ends, as indicated by
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See Also• DO command• $TEST spe
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FOR (legacy version)increment is po
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len-2, only the last character will
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FOR (legacy version)Incrementing wi
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IF (legacy version)IF (legacy versi
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DescriptionZQUIT (legacy command)No
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ZQUIT (legacy command)For example:Z
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$ZBITFIND (legacy function)$ZBITCOU
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ParameterspositionValue or expressi
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esulting bitstring is 1 in all posi
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DescriptionThis page describes the
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$ZUTIL(67,4) (legacy function)• $
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$ZUTIL(67,5) (legacy function)pstat
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$ZUTIL(67,6) (legacy function)$ZUTI
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$ZUTIL(67,7,pid) returns a string c
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Code6064687276808488961041081161401
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$ZUTIL(67,12) (legacy function)$ZUT
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ParameterspidA process ID number. T
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ExamplesThe following is the hexade
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SYS.Process MethodsYou can get the
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See Also$ZUTIL(133) (legacy functio
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or a counter's name or description
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$ZUTIL(133) (legacy function)1. Cal
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