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isvar


Check for the existence of an variable.


Syntax


tf = isvar(varname)
tf = isvar(scope, varname)

Input argument


scope

a string: 'global', 'base', 'caller', 'local'.

varname

a string: variable name.

Output argument


tf

a logical: true if varname exists.

Description


isvar checks for the existence of an variable.

Example


isvar('A')
A = 3
isvar('A')
isvar('global','B')
global B
isvar('global','B')

See also


exist.

History


Version Description
1.0.0 initial version

Author


Allan CORNET

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