I can still reproduce this with curent version (Inkscape 0.91 r13725, debian unstable). But the command was missing the "-" before expert-png/export-eps:
correct commands: inkscape -z -j --export-id=missing --export-png=missing.png --export-dpi=300 foo.svg
inkscape -z -j --export-id=missing --export-eps=missing.eps trajectory.svg
I can still reproduce this with curent version (Inkscape 0.91 r13725, debian unstable). png/export- eps:
But the command was missing the "-" before expert-
correct commands: png=missing. png --export-dpi=300 foo.svg
inkscape -z -j --export-id=missing --export-
inkscape -z -j --export-id=missing --export- eps=missing. eps trajectory.svg