Hello,
Some PDF reader applications lock the PDF file they are displaying. One
implication of this is that if a user tries to re-generate a PDF file
from within XXE while that file is currently being viewed in the PDF
reader, then the generation process will result in a "command execution
has failed" message. (Well, at least it does for my configuration
files...).
My question is this: is there a way within the XXE configuration files
to detect if the PDF file that is about to be generated is in a state
where this situation will happen? If so, I'd like to then give the user
a message saying that they need to remove the PDF from their PDF reader.
I'd be happy with any kind of detection such as
cannot delete the file
file is being used by another application
the reader has the file open already
or any other conceivable way to detect this situation. I want to avoid
users being confused by this scenario. Most likely they will think
something on the order of "I just created the PDF file a few minutes
ago. Why won't it generate it now?" and be frustrated.
Thanks for any help on this,
--Andy
