Convert SVG to DXF in Linux using Inkscape and pstoedit

svgtodxf.sh

#! /bin/bash

# Install required applications
# Ubuntu:
# apt-get install inkscape pstoedit
# Arch:
# pacman -S inkscape pstoedit

function svgToEps()
{
  if test $# -lt 1 ; then
    echo "You need to pass in a filename." ; return
  fi

  epsfile="${1%.*}.eps"

  echo "inkscape -f '$1' -E '$epsfile'"
  inkscape -f "$1" -E "$epsfile" >/dev/null 2>&1
}

function svgToDxf()
{
  if test $# -lt 1 ; then
    echo "You need to pass in a filename." ; return
  fi

  base="${1%.*}"
  epsfile="${base}.eps"
  dxffile="${base}.dxf"

  svgToEps "$1"
  echo "pstoedit -psarg '-dNOSAFER' -dt -f 'dxf_14:-splineasbezier' '${epsfile}' '${dxffile}'"
  # There are other versions of this command around the net, but for me, "-psarg '-dNOSAFER'" was required.
  # Some kind of Ghostscript option.
  pstoedit -psarg '-dNOSAFER' -dt -f 'dxf_14:-splineasbezier' "${epsfile}" "${dxffile}" >/dev/null 2>&1
  rm "$epsfile"
}

# Run the function
svgToDxf "$1"