Append Text to Variable "#="

<text_var> #= <text>

Append Data Types: Text
Glossary: text, text_valtext Text functions: stringto text Glossary: Variable, var_refvariable.

Operators: Assignment "="
Built-in operators: Assignments:Assignment Vipsi command syntax: Operators
Operators
Glossary: Operatoroperators are right-oriented, that means: Flow control: if … thenif multiple Operators: Assignment "="
Built-in operators: Assignments:assignments are made in one Vipsi command syntax: Expressions
Glossary: Expressionexpression, they are evaluated right-to-left.

Flow control: if … thenIf one of both Glossary: Operator
Glossary: Operandoperands is a Data Types: Lists and arrays
Glossary: list, list_vallist, Flow control: if … then
Flow control: try … thenthen Flow control: if … then
Flow control: try … thenthe operation is performed on all items. recursively. Flow control: if … thenIf both Glossary: Operator
Glossary: Operandoperands are Data Types: Lists and arrays
Glossary: list, list_vallists Flow control: if … then
Flow control: try … thenthen Flow control: if … then
Flow control: try … thenthe operation is applied to matching items. Eventually remaining items in Flow control: if … then
Flow control: try … thenthe longer Data Types: Lists and arrays
Glossary: list, list_vallist are kept Operators: Boolean Or with Variable "||="
Operators: Bitwise Or with Variable "|="
Operators: Bitwise Or "|"
Operators: Boolean Or "||"or copied as is.

Flow control: if … thenIf either Glossary: Operator
Glossary: Operandoperand is no Data Types: Text
Glossary: text, text_valtext Operators: Boolean And with Variable "&&="
Operators: Bitwise And with Variable "&="
Operators: Bitwise And "&"
Operators: Boolean And "&&"and no Data Types: Lists and arrays
Glossary: list, list_vallist, Flow control: if … then
Flow control: try … thenthen it is converted Text functions: stringto text first.

vipsi> Instructions: var
How does VScript::Value() work?: Var*&var a="abc";   a #= "de";   Instructions: putput a;  abcde
vipsi> Instructions: var
How does VScript::Value() work?: Var*&var a={1,2,3}; a #= "X" ;   Instructions: putput a;  { "1X", "2X", "3X" }
vipsi> Instructions: var
How does VScript::Value() work?: Var*&var a="X";     a #= {1,2,3} Instructions: putput a;  { "X1", "X2", "X3" }
vipsi> Instructions: var
How does VScript::Value() work?: Var*&var a={1,2,3}; a #= {4,5};  Instructions: putput a;  { "14", "25", "3" }
vipsi>  

Operators: Bitwise Not "~"
Operators: Boolean Negation "!"Note: all Operators: Assignment "="
Built-in operators: Assignments:assignment Vipsi command syntax: Operators
Operators
Glossary: Operatoroperators may be changed, so that Flow control: if … then
Flow control: try … thenthe Flow control: do … loopdo no longer Flow control: returnreturn a result Glossary: Valuevalue. There are syntactical ambiguities with Flow control: if … then
Flow control: try … thenthe "=" Numeric functions: signsign e.g. in Literals: List literals
Lists and arrays: List literalslist literals. Changing Flow control: if … then
Flow control: try … thenthe result to 'no Glossary: Valuevalue' will also allow named items in other places, e.g. passing named Vipsi command syntax: Arguments
Glossary: Argumentsarguments to Vipsi command syntax: Procedures
Data Types: Procedures
Glossary: Procedureprocedures for a obj-C-like syntax. Also, Operators: Bitwise Not "~"
Operators: Boolean Negation "!"not printing results of Operators: Assignment "="
Built-in operators: Assignments:assignments in Flow control: if … then
Flow control: try … thenthe shell would become more clear.