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use v6.d; unit module ScanDir; class End {}; sub scan-dir(*@paths --> Supply) is export { supply { my %watched-dirs; CATCH { when X::IO { }; default { warn $_; done } } sub start-watching(IO::Path $dir) { return if %watched-dirs{$dir.Str}; %watched-dirs{$dir.Str} = True; whenever $dir.watch { my $path-io = .path.IO; emit $path-io; when $path-io ~~ :e & :d { add-dir($path-io) unless %watched-dirs{$path-io.Str}; } when $path-io ~~ :!e { %watched-dirs{$path-io.Str}:delete } } } sub add-dir(*@todo) { while @todo { my $next = @todo.shift; next unless $next ~~ :e & :r & :d; start-watching($next); for $next.dir { emit $_; when .e && .d { @todo.push($_); start-watching($_); } } } } add-dir(@paths».IO); emit End; } }
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