The prior comment was not correct. By design the current inkscape extension system uses scripts that take SVG in on stdin and put replacement output SVG to stdout. These were intended to be reusable as stand-alone CGI-like components that are simple to reuse in other contexts, including invocations from other programs or scripts.
The prior comment was not correct. By design the current inkscape extension system uses scripts that take SVG in on stdin and put replacement output SVG to stdout. These were intended to be reusable as stand-alone CGI-like components that are simple to reuse in other contexts, including invocations from other programs or scripts.