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| ==Pages== | | ==Pages== |
| * {{l/same|controls}} | | * {{l/same|controls}} - built-in control components |
| * {{l/same|functions}} | | * {{l/same|functions}} - built-in functions |
| * {{l/same|libraries}} | | * {{l/same|libraries}} - available code libraries |
| | | * {{l/same|syntax}} - language syntax |
| ==Language Elements==
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| ===concepts===
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| * [[/arrays]]
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| ===control structures===
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| * IF / ENDIF
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| * [http://gambasdoc.org/help/cat/loop Loop Control Structures]
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| * [http://gambasdoc.org/help/cat/misc Miscellaneous Control Structures]
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| * [http://gambasdoc.org/help/cat/test Test Control Structures & Functions]: IF/THEN/ELSE/ENDIF; SELECT CASE; Choose(); Iif()
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| ===operators===
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| * [http://gambasdoc.org/help/cat/arithop arithmetic operations]
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| ** '''calculation''':
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| *** '''Number + Number''': addition
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| *** '''- Number''': returns the opposite sign of a number
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| *** '''Number - Number''': subtraction
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| *** '''Number * Number''': multiplcation
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| *** '''Number / Number''': floating-point division
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| *** '''Number ^ Power''': raises Number to the power Power
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| *** '''Number \ Number''': (DIV) - integer division; A \ B = Int(A / B)
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| *** '''Number MOD Number''': modulo
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| ** '''comparison''':
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| *** '''Number = Number''': TRUE if two numbers are equal
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| *** '''Number <> Number''': TRUE if two numbers are different
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| *** '''Number1 < Number2''': TRUE if Number1 is strictly lower than Number2
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| *** '''Number1 > Number2''': TRUE if Number1 is strictly greater than Number2
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| *** '''Number1 <= Number2''': TRUE if Number1 is lower or equal than Number2
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| *** '''Number1 >= Number2''': TRUE if Number1 is greater or equal than Number2
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| *** When a comparison result is assigned to an integer variable, TRUE = -1 and FALSE = 0.
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| * [http://gambasdoc.org/help/cat/assignop assignment operators]
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| ** '''Variable = Expression''': Direct assignment
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| ** '''Variable += Expression''': Assignment with addition (not available in Gambas 1.0.18)
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| ** '''Variable -= Expression''': Assignment with subtraction (not available in Gambas 1.0.18)
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| ** '''Variable *= Expression''': Assignment with multiplication (the rest of these are probably also not available in v1.0.18) | |
| ** '''Variable /= Expression''': Assignment with division
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| ** '''Variable \= Expression''': Assignment with integer division (V = V \ E)
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| ** '''Variable &= Expression''': Assignment with string concatenation (V = V & E)
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| ** '''Variable &/= Expression''': Assignment with path concatenation (V = V &/ E)
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| * [http://gambasdoc.org/help/cat/logicop logical operators]
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| * [http://gambasdoc.org/help/cat/stringop string operators]
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| ** '''String & String''': concatenation of two strings
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| ** '''String &/ String''': concatenation of two strings containing file path parts; add a path separator if neither is empty
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| ** '''String = String''': strings are equal?
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| ** '''String == String''': strings are equal? (case-insensitive)
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| ** '''String LIKE String''': string matches a pattern?
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| ** '''String <> String''': strings are different?
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| ** '''String1 < String2''': String1 is "strictly lower" than String2?
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| ** '''String1 > String2''': String1 is "strictly greater" than String2?
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| ** '''String1 <= String2''': String1 is "lower than" or equal to String2?
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| ** '''String1 >= String2''': String1 is "greater than" or equal to String2?
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| ==Links== | | ==Links== |
| * [http://gambasdoc.org/help/lang Language Index] | | * [http://gambaswiki.org/wiki/cat Language Overviews]: keywords and built-in functions, grouped by topic |
