Convert a graph from
gvtogxlformat. Converters:gml2gv,gv2gml,gv2gxl,gxl2gv,graphml2gv&mm2gv. More information: https://graphviz.org/pdf/gxl2gv.1.pdf.
gv to gxl format:gv2gxl -o output.gxl input.gv
stdin and stdout:cat input.gv | gv2gxl > output.gxl
gv2gxl -?