Caché ObjectScript Reference - InterSystems Documentation

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Routine, Debugging, and Other CommandsAction Code“B”“L”“L+”“S”“S+”“T”“N”DescriptionSuspends execution and displays the line at which the breakoccurred, with a caret (^) indicating the location within the line. AGOTO resumes execution. “B” is the default.Suspends execution for single-step execution of lines using GOTO.Single-step mode suspended during DO, XECUTE, or user-definedfunctions.Suspends execution for single-step execution of lines using GOTO.Single-step mode also applies to DO, XECUTE, and user-definedfunctions.Suspends execution for single-step execution of commands usingGOTO. Single-step mode suspended during DO, FOR, XECUTE,or user-defined functions.Suspends execution for single-step execution of commands usingGOTO. Single-step mode also applies to DO, FOR, XECUTE, anduser-defined functions.Outputs a trace message to the trace device. Can be combined withany other action code. For example “TB” means suspend execution(“B”) and output trace message (“T”). “T” by itself does not suspendexecution. This action only works if a previous ZBREAK commandspecifies ZBREAK /TRACE:ON.Take no action at this breakpoint or watchpoint.conditionA boolean expression. When true (1), the action should be taken and the execute_code (ifpresent) executed. When false (0), the action and execute_code are ignored. Default is true(1).execute_codeThe Caché ObjectScript code to be executed. This code is executed prior to the action beingcarried out. Before the code is executed, the value of $TEST is saved. After the code hasexecuted, the value of $TEST as it existed in the program being debugged is restored./command:optionA command keyword used to set the ZBREAK environment for subsequent ZBREAKcommands. The /CLEAR command takes no option. The other command keywords are followedby an option, separated by a colon.388 Caché ObjectScript Reference
ZINSERTKeyword/CLEAR/DEBUG:device/TRACE/ERRORTRAP/INTERRUPTDescriptionRemove all breakpoints.Clear or set debug device.Enable or disable sending trace messages to the trace device (the“T” action in subsequent ZBREAK commands.) Options are:ON=enable trace. :OFF=disable trace. :ALL=trace all lines.You canredirect output with the :ON or :ALL options by specifying a device.For example ZBREAK /TRACE:ON:device.Enable or disable $ZTRAP and $ETRAP. Options are :ON and :OFF.Specify Control-C action. Options are :NORMAL and :BREAK.See Also• BREAK command• OPEN command• USE command• $ZUTIL(68,5) Argumentless BREAK Process Switch function• $ZUTIL(69,5) Argumentless BREAK System Default function• Debugging chapter in Using Caché ObjectScriptZINSERTInserts a line of code in the current routine.ZINSERT:pc "code":locationZI:pc "code":locationArgumentspccodelocationOptional — A postconditional expression.A line of Caché ObjectScript code, specified as a string literal (enclosedin quotation marks) or a variable that contains a string literal. The firstcharacter must be either a space or a label name.Optional — The line after which ZINSERT inserts the code.Caché ObjectScript Reference 389
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Caché ObjectScriptReferenceVersion
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Table of ContentsSymbols and Abbrev
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$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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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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System and Other FunctionsCaché pr
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System and Other FunctionsThis func
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System and Other FunctionsSubfuncti
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System and Other Functions• $GET
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System and Other Functionsor "RW" m
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System and Other FunctionsReading f
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System and Other Functionsprincipal
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System and Other FunctionsTCOMMIT c
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System and Other Functionsa $ZDATE
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System and Other FunctionsThis conf
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System and Other FunctionsNotes$ZUT
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System and Other FunctionsWRITE $ZD
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System and Other FunctionsEvery tim
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System and Other Functions• $TEST
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System and Other FunctionsValue6789
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System and Other Functionsreturns:
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System and Other FunctionsFlag67891
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System and Other Functions8: regula
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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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