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I tried your suggestion, but it didn't work as expected. LO Report Builder did replace "[<>""]-@" with "[<>0]-@;General", similar to what you experienced. However, the result is strange and almost indeterminate. Sometimes if the text field is alpha-numeric, the result is "-" without the text. Other times it is the text without the "-" prefix. Sometimes if the text field is numeric-only, the result is the text without the "-". Strange.

I then tried changing the format to "[<>0]"-"@;General" (quotes around dash) with the same results.

Then I tried "[<>0]"-"@;Standard" as your Calc experiment changed, and LO changed it to
"[<>0]"-"@;StanDarD", with the same results.

So, I am not sure what is going on. It almost looks like a bug with the unexpected results.


On 5/15/19 5:03 PM, Remy Gauthier wrote:

I tried this in calc (which I am assuming you are using), and it seems to work for what you describe:


The interesting thing is that calc changed it afterwards to


but it still seems to work.

I hope this helps.

Le mercredi 15 mai 2019 à 15:17 -0700, Girvin Herr a écrit :
I am using LibreOffice on Slackware Linux 14.2 (K4.4.75).
I have a database with a text field which may or may not be null. What I
want to do is to prefix a dash "-" before the text if the text field is
not null. At first, I tried this format:
Somewhere, not by me, it got changed to:
However, this does not work. I get the text when not null, but not the
dash in either case.
Is there another way to do this?
Girvin Herr

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