echo 'xxxxxxxxxxxxxxxxxxxxxx''xxxxxxxxxxxxxxxxxx' >> $@
for F in $^ ; do echo "$$F\n$$(stat -c %s $$F)" ; cat $$F ; done >> $@
echo 'xxxxxxxxxxxxxxxxxxxxxx''xxxxxxxxxxxxxxxxxx' >> $@
for F in $^ ; do echo "$$F\n$$(stat -c %s $$F)" ; cat $$F ; done >> $@