<< feof

Stream manager

fgetl >>

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ferror

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Test for i/o read/write errors.

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Syntax

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msg = ferror(fid)

[msg, code] = ferror(fid)

ferror(fid, 'clear')

Input argument

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fid

a file descriptor

Output argument

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code

an integer value: 0 if no error. negative value if an error is detected.

msg

an character vector: error message equivalent to error code.

Description

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ferror inquires about file error status.

ferror(fid, 'clear') clears the error indicator for the specified file.

For more help about returned message, consult C run-time library manual for further details.

Example

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filename = [tempdir(), 'test_ferror.csv'];
fid = fopen(filename, 'w');
res = fgets(fid);
[msg, code] = ferror(fid)

See also

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fopen.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET