problem on test perlu trigger function.

Hello,

I have a problem on a test directory on my trigger function.
For information, i use a 8.0.21 version of perl.

To make things simple, i make a perlu function trigger on when i modify 
a row, i try to test the existence of a directory. I have the impression 
that this test
does not work :-(

my function...

..
if (! -d  "$PATHBASE/$_TD->{new}{categorie}") {
          `sudo -u http mkdir "$PATHBASE/$_TD->{new}{categorie}"`;
       }
...

Sudo function is performed in spite of the presence of directory ! It as 
if  "-d" serve has nothing...

Anybody knows why?

Vic


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