ref: 04a8392f8c7c75f585d48360774c6f1faa950f0c
dir: /rc/bin/ape/dircp/
#!/bin/rc
# dircp src dest - copy a tree with ape's tar
switch($#*){
case 2
@{cd $1 && tar cf /fd/1 .} | @{cd $2 && tar xf /fd/0}
case *
echo usage: dircp from to >[1=2]
exit usage
}