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Description
GetFreeDiskSpace() is used to retrieve the number of bytes of free disk space on the file system containing the passed file or directory.
Call Signature
double GetFreeDiskSpace ( string drive_spec )
Return Value
double
The number of bytes of free diskspace. -1 is returned on systems where this capability is not supported, or if the passed file or directory does not exist.
Argument
string drive_spec:
A string expression naming a file or directory on the drive for which we want information. Use "." to refer to the current drive.
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