IpwInfo

IpwInfo returns the number of streams and the total size of all streams of an IPW or IPZ file.

rvInfo = IpwInfo(ssFile)

Return Value

rvInfo ist ein Vektor mit zwei Elementen.

IPW files: rvInfo is a vector with two elements: rvInfo[1] contains the number of streams and rvInfo[2] the total size of all streams (number of bytes).

IPZ files: rvInfo[1] contains the number -1. rvInfo[2] contains the number of unused bytes in the file.

Parameters

ssFile

ssFile is the complete file name of an IPW or IPZ file.

Comment

UniPlot files (IPW file) are saved in the Microsoft Compound Document File Format. Beside the data, the file contains a table of contents and a File Allocation Table (FAT), which size is returned in rvInfo[2] element.

Example

def test()
{
   file = GetRootDirectory() + "samples\\sample.ipw";
   f = fopen(file, "rb");
   sizeFile = fgetlen(f);
   fclose(f);
   sizeInternal = IpwInfo(file)[2];
   print sizeFile, sizeInternal;
}
test();

History

Version	Description
R2012 (5.40.0)	Handling of IPZ files.
5.14.5	New.

See also

Overview Programming

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