Using Caché ObjectScript - InterSystems Documentation

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About This Book This book describes the various elements of the Caché ObjectScript programming language. Its topics are: • Introducing Caché ObjectScript • Syntax Rules • Data Types and Values • Variables • Operators and Expressions • Commands • Functions • User-defined Code • ObjectScript Macros and the Macro Preprocessor • Multidimensional Arrays • String Operations • Transaction Processing • Error Processing • Command-line Routine Debugging • Open M Language Compatibility For a detailed outline, see the Table of Contents. Other, related documents in the Caché documentation set are: • The Caché ObjectScript Language Reference • Caché Programming Orientation Guide • Using Caché Objects • Using Caché SQL • Using Caché Basic • Using Caché Globals For general information, see Using InterSystems Documentation. Using Caché ObjectScript 1
Page 1 and 2: Using Caché ObjectScript Version 2
Page 3 and 4: Table of Contents About This Book .
Page 5 and 6: 5.7.3 Specifying a Combination Patt
Page 7 and 8: 10.2 Manipulating Multidimensional
Page 9 and 10: 15.6.2 Database Conversion ........
Page 11: List of Tables Table 3-1: Date Form
Page 16 and 17: Introducing Caché ObjectScript •
Page 18 and 19: Introducing Caché ObjectScript 1.3
Page 20 and 21: Syntax Rules 2.1.1 Identifiers User
Page 22 and 23: Syntax Rules • The // comment spe
Page 24 and 25: Syntax Rules • Fractional numbers
Page 26 and 27: Syntax Rules In an explicit namespa
Page 28 and 29: Data Types and Values There are no
Page 30 and 31: Data Types and Values • A trailin
Page 32 and 33: Data Types and Values 3.5 Undefined
Page 35 and 36: 4 Variables A variable is the name
Page 37 and 38: Categories of Variables You can use
Page 39 and 40: Categories of Variables • A globa
Page 41 and 42: Variable Typing and Conversion Tabl
Page 43 and 44: 5 Operators and Expressions Caché
Page 45 and 46: Introduction to Operators and Expre
Page 47 and 48: Introduction to Operators and Expre
Page 49 and 50: Arithmetic Operators 5.2.2 Unary Ne
Page 51 and 52: Arithmetic Operators 5.2.7 Exponent
Page 53 and 54: Logical Comparison Operators 5.3 Lo
Page 55 and 56: Logical Comparison Operators The fo
Page 57 and 58: Numeric Relational Operators The de
Page 59 and 60: String Relational Operators Binary
Page 61 and 62: Pattern Matching operand A ']operan
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Pattern Matching Table 5-2: Pattern
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Pattern Matching Set match = var31.
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Indirection 2. The first “.E” m
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Indirection When you use indirectio
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Indirection Start Read !,"Output Na
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Commands If a command takes one or
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Commands If both a command keyword
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Commands 6.3.3 Job While Do runs co
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Commands 6.5.1 If, ElseIf, and Else
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Commands 6.5.3 While and Do/While T
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Commands Format Code ! # n Effect S
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Functions Function parameters are v
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User-defined Code Procedures are a
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User-defined Code 8.2 Procedures in
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User-defined Code pubvar access cod
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User-defined Code enables procedure
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User-defined Code corresponding by-
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User-defined Code Similarly, a refe
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User-defined Code 8.3.2 Functions A
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User-defined Code • Caché saves
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9 ObjectScript Macros and the Macro
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Using Macros 9.1.1.1 Macro Naming C
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Preprocessor Directives Reference
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Preprocessor Directives Reference C
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Preprocessor Directives Reference w
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Preprocessor Directives Reference 9
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Preprocessor Directives Reference #
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Preprocessor Directives Reference W
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Preprocessor Directives Reference 9
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Using System-supplied Macros When c
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Using System-supplied Macros TextHT
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Multidimensional Arrays 10.1.2 Spar
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String Operations • The $Find fun
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String Operations Set $Piece(Alphal
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12 Transaction Processing This chap
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Managing Transactions Within Applic
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Automatic Transaction RollBack Tran
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System-Wide Issues with Transaction
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Error Processing block, Caché sets
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Error Processing Using TRY-CATCH wi
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Error Processing The $STACK Special
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Error Processing Using the System-s
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Error Processing Figure 13-2: $ZTRA
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Error Processing Figure 13-3: $ETRA
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Error Processing If the existing va
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Error Processing Resuming Execution
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Command-line Routine Debugging •
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Command-line Routine Debugging Argu
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Command-line Routine Debugging 14.1
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Command-line Routine Debugging 5. S
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Command-line Routine Debugging Valu
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Command-line Routine Debugging %SYS
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Command-line Routine Debugging 14.2
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Command-line Routine Debugging Tabl
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Command-line Routine Debugging In P
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Command-line Routine Debugging Tabl
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Command-line Routine Debugging Proc
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Command-line Routine Debugging 3. Y
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15 Open M Language Compatibility Ca
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DSM-11 Language Compatibility In th
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DSM-11 Language Compatibility 15.2.
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DSM-11 Language Compatibility Table
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DSM-11 Language Compatibility DSM-1
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DSM Language Compatibility 15.2.12
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DSM Language Compatibility The foll
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DSM Language Compatibility Write /C
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DSM-J Language Compatibility • %E
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DTM Language Compatibility default
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DTM Language Compatibility • TCom
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MSM Language Compatibility These se
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