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FileTools[IsReadable] - determine if the user has read permission for a file
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Calling Sequence
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IsReadable(file)
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Parameters
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file
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filename or the file descriptor of an open file
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Description
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The IsReadable(file) command returns true if the user has read permission for the specified file. If the user does not, false is returned.
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If the file does not exist or an invalid file descriptor is passed, an exception is raised.
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See Also
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file_types, FileTools, FileTools[Exists], FileTools[IsExecutable], FileTools[IsWritable], FileTools[ModificationTime], FileTools[Remove], FileTools[Size], FileTools[Status], FileTools[Text][Close], FileTools[Text][WriteString], IO_errors
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