exist (Matlab function)
=======================

Check if a variable or file exists



Matlab/Scilab equivalent
~~~~~~~~~~~~~~~~~~~~~~~~
**Matlab** **Scilab**

::

    exist



::

    exist




Particular cases
~~~~~~~~~~~~~~~~

Scilab **exist** function only works for variables, not for M-files or
else.

Scilab **mtlb_exist** function is a partial emulation for Matlab
**exist**.