http://sdp.soapi.com/ 2009-11-30T23:00:32+01:00 http://sdp.soapi.com/ http://sdp.soapi.com/lib/images/favicon.ico text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:arithmetic?rev=1169633753 Arithmetic Operators perform basic arithmetic operations on the terms specified. There are different arithmetic operations available for each type of value. Symbol Type Name Description Example Number + Infix Addition Adds the right ter... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:array?rev=1169633753 Array Operators perform various operations on the terms specified. There are several different types of operation available. Symbol Type Name Description Example Arithmetic @ Infix Merge Joins the right term to the end of the left term ... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:assignment?rev=1169633753 Assignment Operators set the value of the Variable on the left of the Operator to be the value of the expression on the right of the Operator, after any appropriate operation (as determined by the Assignment Operator in question). Symbol Type Na... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:auto-increment?rev=1169633753 Auto-increment and auto-decrement Operators increase or decrease the value they are applied to by 1. Symbol Type Name Description Example Number ++ Prefix Pre-increment Increments the term by 1, then returns the new value ++a ++ ... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:bitwise?rev=1169633753 Bitwise Operators perform bitwise operations on the terms specified. When working with integer Numbers, this allows specific bits to be turned on or off. When working with Strings, the ASCII values for the characters are used. When working with Bool... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:boolean?rev=1169633753 Boolean Operators perform various operations on the terms specified. There are several different types of operation available. Symbol Type Name Description Example Bitwise ?& Infix AND True if left and right terms are true a ?&... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:comparison?rev=1169633753 Comparison Operators compare two terms and return a Boolean. Symbol Type Name Description Example Equality Comparison Standard comparison == Infix Equal to true if both terms are equal a == b != Infix Not equal to true if bot... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:existence?rev=1169633753 Existence Operators perform operations to do with the existence of Variables. Symbol Type Name Description Example ??? Prefix Existence Returns true if the variable exists, or false otherwise ??? a destroy Prefix Destruction Destroys... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:glue?rev=1169633753 Glue Operators are used in Array syntax, for addressing of Variables. Symbol Type Name Description Example . Infix Dot Glues two variable names together to make a reference to an array key a.b .. Infix Double-dot __CurrentLoop__ shor... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:grouping?rev=1169633753 Grouping Operators are used to group expressions or terms together for various purposes. Symbol Type Name Description Example Grouping ( ) Various Parentheses Group together enclosed terms ( a + b ) [ ] Various Square brackets Sa... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:logical?rev=1169633753 Logical Operators perform logical comparisons on the terms specified, and return either false or the term that made the comparison true. Symbol Type Name Description Example High precedence (tight) && Infix AND True if both term... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:mathematical?rev=1169633753 Mathematical Operators are so named to distinguish them from basic arithmetic Operators, which are of course also essentially mathematical. Symbol Type Name Description Example Number abs Prefix Absolute value Gives the positive numeric... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:number?rev=1169633753 Number Operators perform various operations on the terms specified. There are several different types of operation available. Symbol Type Name Description Example Arithmetic + Infix Addition Adds the right term to the left term to give ... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:precedence_tables?rev=1169633753 There are two versions of the precedence table; the detailed version showing every Operator, and the summary version which groups all Operators of the same level together. Summary Precedence Table Detailed Precedence Table ... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:range?rev=1169633753 The Range Operator is used to create an Array of elements ranging between two values. Symbol Type Name Description Example ... Infix Range Creates an Array than contains a range of elements from the left term value to the right term value, ... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:string?rev=1169633753 String Operators perform various operations on the terms specified. There are several different types of operation available. Symbol Type Name Description Example Arithmetic ~ Infix Concatenation Joins the right term to the end of the l... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:type_casting?rev=1169633753 Type-casting Operators convert a value into a specific type. Symbol Type Name Description Example Number + Prefix Cast Converts the term to a Number, without affecting the sign +a - Prefix Inverse cast Converts the term to a Numb... text/html 2007-01-24T10:15:53+01:00 http://sdp.soapi.com/ptpscript:operators:type_checking?rev=1169633753 Type-checking Operators allow a value's type to be checked. As well as actual types, there are also "pseudo-types" that can be checked for. Symbol Type Name Description Example typeof Prefix TypeOf Returns the actual type of ...