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MAT_VARREADINFO(3) | Library Functions Manual | MAT_VARREADINFO(3) |
NAME¶
Mat_VarReadInfo
—
Reads the information for a specific variable in a MATLAB MAT
file.
SYNOPSIS¶
#include <matio.h>
matvar_t *
Mat_VarReadInfo
(mat_t *matfp,
const char *name);
DESCRIPTION¶
TheMat_VarReadInfo
() function reads the information for
the variable name in the open MAT file.
RETURN VALUES¶
If the variable was found in the MAT file and the information about the variable successfully read, a pointer to the MATLAB variable structure is returned. If the variable was not found, or there was an error reading the variable information, NULL is returned.EXAMPLES¶
#include "matio.h" int main(int argc,char **argv) { mat_t *matfp; matvar_t *matvar; matfp = Mat_Open(argv[1],MAT_ACC_RDONLY); if ( NULL == matfp ) { fprintf(stderr,"Error opening MAT file %s0,argv[1]); return EXIT_FAILURE; } matvar = Mat_VarReadInfo(matfp,"x"); if ( NULL != matvar ) { Mat_VarPrint(matvar); Mat_VarFree(matvar); } Mat_Close(matfp); return EXIT_SUCCESS; }
SEE ALSO¶
Mat_VarRead(3), Mat_VarReadNextInfo(3), Mat_VarPrint(3)April 21, 2011 | Linux 4.19.0-10-amd64 |