ref: eddf77b8f9b80a602c636346c3a53ef59e3845ab
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
}