#!/opt/bin/perl # inspired by treescan by Jamie Lokier # about 40% faster than the original version (on my fs and raid :) use strict; use Getopt::Long; use IO::AIO; Getopt::Long::Configure ("bundling", "no_ignore_case", "require_order"); my ($opt_silent, $opt_print0, $opt_stat); GetOptions "quiet|q" => \$opt_silent, "print0|0" => \$opt_print0, "stat|s" => \$opt_stat, ; @ARGV = "." unless @ARGV; sub printfn { my ($prefix, $files, $suffix) = @_; if ($opt_print0) { print map "$prefix$_$suffix\0", @$files; } elsif (!$opt_silent) { print map "$prefix$_$suffix\n", @$files; } } sub scan { my ($path) = @_; $path .= "/"; aioreq_pri -1; aio_scandir $path, 8, sub { my ($dirs, $files) = @_; printfn "", [$path]; printfn $path, $files; if ($opt_stat) { aio_lstat "$path$_" for @$files; } &scan ("$path$_") for @$dirs; }; } IO::AIO::max_outstanding 64; IO::AIO::min_parallel 32; for my $seed (@ARGV) { $seed =~ s/\/+$//; aio_lstat "$seed/.", sub { if (-d _) { scan $seed; } else { printfn "", $seed, "/"; } }; } IO::AIO::flush;