ref: d73c67660bd2573787e99c300806c2f1394a8b52
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 }