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FileTools[Exists] - determine if a file exists in the file system
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Calling Sequence
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Exists(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 Exists(file) command checks the file system for a specified file. If the file exists, Exists returns true; otherwise, it returns false.
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Examples
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![FileTools[Text][WriteString]("file", "data")](/support/helpjp/helpview.aspx?si=5075/file01546/math51.png)
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![FileTools[Text][Close]("file")](/support/helpjp/helpview.aspx?si=5075/file01546/math55.png)
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![FileTools[Exists]("file")](/support/helpjp/helpview.aspx?si=5075/file01546/math59.png)
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![FileTools[Exists]("doesnotexist")](/support/helpjp/helpview.aspx?si=5075/file01546/math66.png)
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![FileTools[Remove]("file")](/support/helpjp/helpview.aspx?si=5075/file01546/math73.png)
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See Also
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file_types, FileTools, FileTools[IsDirectory], FileTools[IsExecutable], FileTools[IsReadable], FileTools[IsWritable], FileTools[ModificationTime], FileTools[Remove], FileTools[Size], FileTools[Status], FileTools[Text][Close], FileTools[Text][WriteString], IO_errors
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