license.sh

for f in $(find include -name '*.?pp') $(find src -name '*.cpp'); do
    awk 'BEGIN {m=1} /BEGIN LICENSE BLOCK/ {m=0; print $0; while (getline < "LICENSE.header") print} ' \
        '/END LICENSE BLOCK/ {m=1} m {print $0}' $f > t && mv -v t $f
done