readdir returns ., the current directory, as one of the entries in the current directory. You only want to work with files, so you can add
next unless -f $data;

[download]
after line 18.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^3: CMD says files is closed when It should be open by choroba
in thread CMD says files is closed when It should be open by doctordoctor

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