# ls 1 2 3 4 5 # ls -al * 1: total 0 drwxr-xr-x 2 root root 6 Apr 14 13:22 . drwxr-xr-x 7 root root 46 Apr 14 13:22 .. 2: total 4 drwxr-xr-x 2 root root 16 Apr 14 13:22 . drwxr-xr-x 7 root root 46 Apr 14 13:22 .. -rw-r--r-- 1 root root 5 Apr 14 13:22 two 3: total 0 drwxr-xr-x 2 root root 6 Apr 14 13:22 . drwxr-xr-x 7 root root 46 Apr 14 13:22 .. 4: total 4 drwxr-xr-x 2 root root 17 Apr 14 13:22 . drwxr-xr-x 7 root root 46 Apr 14 13:22 .. -rw-r--r-- 1 root root 5 Apr 14 13:23 four 5: total 0 drwxr-xr-x 2 root root 6 Apr 14 13:22 . drwxr-xr-x 7 root root 46 Apr 14 13:22 .. # perl -we 'use Data::Dumper;@d=grep {<$_/*>} (<*>);print Dumper \@d' $VAR1 = [ '2', '4' ]; # perl -we 'use Data::Dumper;@d=grep {!<$_/*>} (<*>);print Dumper \@d' $VAR1 = [ '1', '3', '5' ]; #