Vipsi command syntax: Operators
Operators
Glossary: OperatorOperators which only take one type of Vipsi command syntax: Arguments
Glossary: Argumentsargument Flow control: try … thentry their best, to Text functions: convert
Instructions: convertconvert any type of Vipsi command syntax: Arguments
Glossary: Argumentsargument to Flow control: if … then
Flow control: try … thenthe required type. In Operators: Add "+"addition, Flow control: if … thenif a Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallist is supplied to an Vipsi command syntax: Operators
Operators
Glossary: Operatoroperator which takes no Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallists, Flow control: if … then
Flow control: try … thenthen Flow control: if … then
Flow control: try … thenthe operation is applied to all items in Flow control: if … then
Flow control: try … thenthe Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallist.

Type casting

Numeric addition

vipsi> 123 + "456"  579
vipsi> "47" + "11"  58
vipsi> 1000 + "abc"
***** Operators: Bitwise Not "~"
Operators: Boolean Negation "!"not a Glossary: number, num_valnumber
vipsi> 1000 + "abc"

Operators: Bitwise Not "~"
Operators: Boolean Negation "!"Not numeric Glossary: Operator
Glossary: Operandoperands are silently converted to Glossary: number, num_valnumber. Flow control: if … thenIf conversion fails, an error is generated Operators: Boolean And with Variable "&&="
Operators: Bitwise And with Variable "&="
Operators: Bitwise And "&"
Operators: Boolean And "&&"and Flow control: if … then
Flow control: try … thenthe program aborts, except Flow control: if … thenif you catch Flow control: if … then
Flow control: try … thenthe error with Flow control: try … thentry.

Text concatenation

123 # "456"  = "123456"
50 # 6000    = "506000"

Flow control: if … then
Flow control: try … thenThe non-text Glossary: Operator
Glossary: Operandoperands are silently converted Text functions: stringto text.

List concatenation

123 ## {4,5,6}  =  { 123, 4, 5, 6 }
123 ## "anton"  =  { 123, "anton" }

Non-list Glossary: Operator
Glossary: Operandoperands are silently converted to Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallists.

Operators: Bitwise Not "~"
Operators: Boolean Negation "!"Note: you must be cautious, Flow control: if … thenif you want to append a Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallist as Instructions: newnew item to another Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallist, that you don't append Flow control: if … then
Flow control: try … thenthe contents of Flow control: if … then
Flow control: try … thenthe Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallist. see --> Operators: Append List to Variable "##="concatenate lists.

No automatic type casting for comparisons

Operators: Automatic type castingAutomatic type casting is Operators: Bitwise Not "~"
Operators: Boolean Negation "!"not performed for comparison Vipsi command syntax: Operators
Operators
Glossary: Operatoroperators. There are ambiguities which can't be resolved. Flow control: if … thenIf Glossary: Valuevalues of different Data Types
Invariants: Data typesdata type are compared Flow control: if … then
Flow control: try … thenthen an error is generated.

Expanded operation on list:

Numeric addition, one argument is a list

123 + {4,5,6}  =  {127,128,129}

Flow control: if … then
Flow control: try … thenThe operation is performed on every item of Flow control: if … then
Flow control: try … thenthe Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallist.

Numeric addition, both arguments are lists

{1,2,3} + {4,5,6}  =  {5,7,9}

Flow control: if … then
Flow control: try … thenThe operation is performed on every pair of matching Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallist items. Excess items on either side are left as is.

List expansion for boolean and triadic selection operators

Boolean Vipsi command syntax: Operators
Operators
Glossary: Operatoroperators && Operators: Boolean And with Variable "&&="
Operators: Bitwise And with Variable "&="
Operators: Bitwise And "&"
Operators: Boolean And "&&"and || Operators: Boolean And with Variable "&&="
Operators: Bitwise And with Variable "&="
Operators: Bitwise And "&"
Operators: Boolean And "&&"and Flow control: if … then
Flow control: try … thenthe Operators: Select "? :"triadic operator ?: are Operators: Bitwise Not "~"
Operators: Boolean Negation "!"not yet expanded for Data Types: Lists and arrays
Item selector "[]": Lists
Glossary: list, list_vallist Vipsi command syntax: Arguments
Glossary: Argumentsarguments. (Version 0.8.7)

No List expansion for comparisons

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