mclose

mclose — close an opened file

Calling sequence

err=mclose([fd])  
mclose('all')

`fd`	: scalar. The `fd` parameter returned by the function `mopen` is used as a file descriptor (it's a positive integer).
`err`	: a scalar. Error indicator : vector

mclose must be used to close a file opened by mopen. If fd is omitted mclose closes the last opend file.

mclose('all') closes all files opened by file('open',..) or mopen