inkscape: uses "lp" by default, should be "|lpr".

We can't change the preferences, it is hardcoded in the binary

Solution: 
ln -s /usr/bin/lpr /usr/bin/P
perl -pi -s "s/lp</|P</" /usr/bin/inkscape

-------------------

Gimp 2: uses lpc status

-------------------

Scribus: does not use the PRINTER variable...

------------------