{ xmlstarlet, curl, writeShellScriptBin }:
writeShellScriptBin "odyssey" ''
  if [ $# -eq 1 ] && (echo "$1" | grep -Eq '[0-9]+\.[0-9]+'); then
    ${curl}/bin/curl -Gs http://www.perseus.tufts.edu/hopper/CTS \
      -d request=GetPassage \
      -d "urn=urn:cts:greekLit:tlg0012.tlg002:$1" \
        | ${xmlstarlet}/bin/xmlstarlet sel -t -v 'cts:GetPassage//tei:div'
  else
    echo you must supply BOOK.VERSE
  fi
''