mexEvalStringWithTrap (C and Fortran)

Execute MATLAB command in caller workspace and capture error information

C Syntax

#include "mex.h"
mxArray *mexEvalStringWithTrap(const char *command);

Fortran Syntax

#include "fintrf.h"
mwPointer mexEvalStringWithTrap(command)
character*(*) command


The mexEvalStringWithTrap function performs the same function as mexEvalString. However, if MATLAB® detects an error when executing command, MATLAB returns control to the line in the MEX file immediately following the call to mexEvalStringWithTrap.

Input Arguments

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Name of the MATLAB command to execute, specified as const char* in C or character*(*) in Fortran. In C, the function supports UTF-8 characters.

Output Arguments

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NULL if no error occurred. Otherwise, returns a pointer specified as mxArray* in C or mwPointer in Fortran of class MException. For information about MException, see Respond to an Exception.

Introduced before R2006a