cat cover.svg | sed -e 's/{title}/Low Level CAN binding/' \
-e 's/font-size:87.5px/font-size:50px/g' \
-e 's/{subtitle}//g' \
- -e 's/{version}/Version 1.0/g' \
- -e 's/{date}/March 2017/g' \
+ -e 's/{version}/Version 4.0/g' \
+ -e 's/{date}/June 2017/g' \
> /tmp/cover.svg
# use imagemagick convert tool (cover size must be 1800x2360)