Hi,
On Fri, 28 Oct 2011, Gordon Scott wrote:
> From: Cammer, Michael [mailto:
[hidden email]]
>
> > I got a late night text message from one of my colleagues that her
> > files were not saving when using the Multi Dimension Acquire window.
> > When I checked this morning, I found that she had a file name
> > something like, "PKC +GFP" and that the files were being saved, but
> > over and over in the same directory without incrementing the directory
> > number so she only had the most recent acquisition on disk. When I
> > replaced the "+" with "plus", it worked fine.
>
> FWIW, I always try to avoid anything in filenames that could be a
> special character on some machine. That means I tend to stick to
> alphanumeric, dot and underscore. I do use minus, which is usually
> harmless within a filename, provided it's not the first character or
> two. Outside of that, you're always at risk of some application or OS
> messing up the filename parsing.
The plus sign is reserved on Windows for file concatenation, that is why
you cannot use it. For similar reasons, you should stay away from slashes,
backslashes, colons, semicolons, newlines (you would be surprised what
crap users want to put into a filename) and basically any esoteric
character. Unicode characters such as ♥, ±, ℵ, ☂ ,☎ , or ♬ are also
a bad idea.
In general, I recommend to users to treat filenames like children when
giving them names. Metadata should not be part of the filename. If at all,
use subdirectories' names for things like dates or treatments, but in the
end you will always realize that the best way to manage metadata is by
putting the files into a special-purpose database such as OMERO.
Ciao,
Johannes
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