Go ahead and create the link_dir if it doesn't exist

diff --git a/dm6 b/dm6
index 9b614cdc1107d1285160f85e7c83d116aa52b01b..0dcfab5778d56e17f6be1980d73fef2dc358c3da 100755 (executable)
--- a/dm6
+++ b/dm6
@@ -67,7 +67,7 @@ sub link_files {
 }
 
 my $link_dir = shift @ARGV;
-(-d $link_dir) or usage;
+usage unless $link_dir;
 
 my $prefix_length = 3;