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Reads a single byte from the file.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
BinaryFile 7.3 Yes Yes Yes Yes Yes

MBS( "BinaryFile.ReadByte"; BinaryFileRef )


Parameter Description Example value
BinaryFileRef The reference number for the open file. $FH


Returns value or error.


Reads a single byte from the file.
Returns empty result if reading fails.
See also BinaryFile.WriteByte for writing.

See also

BinaryFile.Position   -   BinaryFile.ReadContainer

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