ref: 1274cd7b973aa800874d8b9b170e9de8fe4363bb
dir: /bin/gensitemaptxt.rc/
#!/usr/bin/env rc for ( d in sites/*/ ) { echo $d 9 du -a $d | awk '/\.(md|html)$/ { print $2 }; {}' | 9 sed -e 's/\.(md|html)$//' -e 's,/index$,/,' -e 's,^sites/,http://,' > $d/sitemap.txt }