# fclose

## Purpose

Close one or more open files.

## Synopsis

    status = fclose(fid)
    status = fclose('all')

## Description

`fclose(fid)` closes the specified file, if it is open, and returns 0 if successful and -1 if unsuccessful. `fid` is a file identifier associated with an open file. (See `fopen` for a complete description of `fid`.)

`fclose('all')` closes all open files, (except standard input, output, and error) and returns 0 if successful and -1 if unsuccessful.

## See Also

    ferror, fopen, fprintf, fread, fscanf, fseek, ftell, fwrite, sprintf,
    sscan

(c) Copyright 1994 by The MathWorks, Inc.