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FileTools[IsOpen] - query if a filename or description is open
Calling Sequence
IsOpen(file)
Parameters
file
-
filename or descriptor
Description
The IsOpen(file) command searches the internal file table to determine if file refers to an open file.
Examples
See Also
file_types, FileTools, FileTools[Binary][Close], FileTools[Binary][Open], FileTools[Remove], FileTools[Text][Close], FileTools[Text][Open], IO_errors
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