Hi, I can reproduce this bug on Wheezy (gnuplot 4.6.0-8):
$ unset DISPLAY; echo 'plot sin(x); exit' | gnuplot -persist Failed to initialize wxWidgets. Segmentation fault -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org