Name
merror — tests the file access errors indicator
Calling Sequence
merror([fd])
Parameters
- fd
scalar. The fd parameter returned by the function mopen. -1 stands for last opened file. Default value is -1.
Description
The function merror is used to tests the file access
errors indicator. returning non-zero if it is set. The error
indicator can only be reset by the mclearerr
function.