1 | #!/opt/bin/perl |
1 | #!/opt/bin/perl |
2 | |
2 | |
3 | # inspired by treescan by Jamie Lokier <jamie@imbolc.ucc.ie> |
3 | # inspired by treescan by Jamie Lokier <jamie@imbolc.ucc.ie> |
4 | # about 40% faster than the original version (on my fs and raid :) |
4 | # about 40% faster than the original version (on my fs and raid :) |
5 | |
5 | |
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6 | use strict; |
6 | use Getopt::Long; |
7 | use Getopt::Long; |
7 | use IO::AIO; |
8 | use IO::AIO; |
8 | |
9 | |
9 | Getopt::Long::Configure ("bundling", "no_ignore_case", "require_order"); |
10 | our $VERSION = $IO::AIO::VERSION; |
10 | |
11 | |
11 | my ($opt_silent, $opt_print0, $opt_stat); |
12 | Getopt::Long::Configure ("bundling", "no_ignore_case", "require_order", "auto_help", "auto_version"); |
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13 | |
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14 | my ($opt_silent, $opt_print0, $opt_stat, $opt_nodirs, $opt_nofiles, $opt_grep); |
12 | |
15 | |
13 | GetOptions |
16 | GetOptions |
14 | "quiet|q" => \$opt_silent, |
17 | "quiet|q" => \$opt_silent, |
15 | "print0|0" => \$opt_print0, |
18 | "print0|0" => \$opt_print0, |
16 | "stat|s" => \$opt_stat, |
19 | "stat|s" => \$opt_stat, |
17 | ; |
20 | "dirs|d" => \$opt_nofiles, |
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21 | "files|f" => \$opt_nodirs, |
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22 | "grep|g=s" => \$opt_grep, |
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23 | or die "Usage: try $0 --help"; |
18 | |
24 | |
19 | @ARGV = "." unless @ARGV; |
25 | @ARGV = "." unless @ARGV; |
20 | |
26 | |
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27 | $opt_grep &&= qr{$opt_grep}s; |
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28 | |
21 | sub printfn { |
29 | sub printfn { |
22 | my ($path, $files, $suffix) = @_; |
30 | my ($prefix, $files, $suffix) = @_; |
23 | |
31 | |
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32 | if ($opt_grep) { |
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33 | @$files = grep "$prefix$_" =~ $opt_grep, @$files; |
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34 | } |
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35 | |
24 | if ($opt_print0) { |
36 | if ($opt_print0) { |
25 | print map "$path/$_$suffix\0", @$files; |
37 | print map "$prefix$_$suffix\0", @$files; |
26 | } elsif (!$opt_silent) { |
38 | } elsif (!$opt_silent) { |
27 | print map "$path/$_$suffix\n", @$files; |
39 | print map "$prefix$_$suffix\n", @$files; |
28 | } |
40 | } |
29 | } |
41 | } |
30 | |
42 | |
31 | sub scan { |
43 | sub scan { |
32 | my ($path) = @_; |
44 | my ($path) = @_; |
33 | |
45 | |
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46 | $path .= "/"; |
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47 | |
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48 | aioreq_pri -1; |
34 | aio_scandir $path, 8, sub { |
49 | aio_scandir $path, 8, sub { |
35 | my ($dirs, $files) = @_; |
50 | my ($dirs, $files) = @_; |
36 | |
51 | |
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52 | printfn "", [$path] unless $opt_nodirs; |
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53 | printfn $path, $files unless $opt_nofiles; |
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54 | |
37 | if ($opt_stat) { |
55 | if ($opt_stat) { |
38 | aio_stat "$path/$_" for @$files; |
56 | aio_lstat "$path$_" for @$files; |
39 | } |
57 | } |
40 | |
58 | |
41 | for (@$dirs) { |
59 | &scan ("$path$_") for @$dirs; |
42 | printfn $path, $dirs, "/"; |
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43 | &scan ("$path/$_") |
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44 | } |
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45 | |
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46 | printfn $path, $files; |
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47 | }; |
60 | }; |
48 | } |
61 | } |
49 | |
62 | |
50 | IO::AIO::max_outstanding 64; |
63 | IO::AIO::max_outstanding 64; |
51 | IO::AIO::min_parallel 32; |
64 | IO::AIO::min_parallel 32; |
52 | |
65 | |
53 | for my $seed (@ARGV) { |
66 | for my $seed (@ARGV) { |
54 | $seed =~ s/\/+$//; |
67 | $seed =~ s/\/+$//; |
55 | aio_lstat "$seed/.", sub { |
68 | aio_lstat "$seed/.", sub { |
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69 | if ($_[0]) { |
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70 | print STDERR "$seed: $!\n"; |
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71 | } elsif (-d _) { |
56 | scan $seed if -d _; |
72 | scan $seed; |
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73 | } else { |
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74 | printfn "", $seed, "/"; |
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75 | } |
57 | }; |
76 | }; |
58 | } |
77 | } |
59 | |
78 | |
60 | IO::AIO::flush; |
79 | IO::AIO::flush; |
61 | |
80 | |