Re: xlswrite : create xls with several worksheet

[PhilipNienhuis]

NJank wrote
> in the meantime, shouldn't xlswrite return a 0? is xlswrite unaware of
> the zip.m file creation error? if so that may be worth it's own bug
> report.

You mean for the file creation error? No I don't think so, it really is
another issue:
The actual bug to fix is that xlswrite and xlsread happily accept an empty
file name (even if silently derived from a subdir name) and append it an
extension anyway, instead of insisting on a valid filename.
Funny is that Excel happily opens and correctly reads a file called ".xlsx"
and only then complains that the file name is invalid.  LibreOffice opens &
reads it w/o complaints whatsoever...

I knew about this scenario for a long time, not only for xlswrite but for
zip.m and friends as well, but AFAICS this is the first time someone reports
to have hit it.  I am not even sure that it is a bug.
TTBOMK there are very few applications that you can feed a nonexistent path
and then happily create that path.

In the mean time it would still be handy to know what Matlab does in this
case.

Philip




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