Returns the list of variables defined in the current HyperMath session.

Syntax

t = who()

t = who('global')

Argument

Name

Description

'global'

An optional string, used to return global variables.

Outputs

Name

Description

t

A table of strings.

Example

Syntax

 // Remove all previous variables defined

 ClearAll();

 // Define A as a global variable

 global A;

 A = 2;

 B = 3;

 // Get list of local variables: 'A' (global and local here) and 'B'

 t1 = who();

 print('local variables: ')

 for k = 1, Length(t1) do

  print(t1(k))

 end

 // Get list of global variables: 'A' (here)

 t2 = who('global');

 print('global variables: ')

 for k = 1, Length(t2) do

  print(t2(k))

 end

Result

local variables:

A

B

global variables:

A

Comments

t = who() returns the list of variables in the current HyperMath session.

t = who('global') returns the list of variables declared 'global' in the current HyperMath session.

See Also:

what

exist