#!/bin/rc
argv0=$0
force=n
while(! ~ $#* 0 && ~ $1 -*){
switch($1){
case -f
force=y
case -s
;
case *
echo 'usage: ln [-s] [-f] source destination' >[2=1]
exit 'usage'
}
shift
}
if(~ $force n && test -e $2 && ! test -d $2){
echo ln: $2 destination exists >[2=1]
exit 'usage'
}
exec cp -gux $1 $2
|