at least for me, the opendir don't return as the first 2 values the '.' and '..'. 
   readdir ($DIR);    # ignore .
   readdir ($DIR);    # ignore ..

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the solution of moritz it's more robust 
  @files = grep {/^(?!\.{1,2}\z)/} readdir($DIR);

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In reply to Re^2: selcting all files in a given directory except...... by glide
in thread selcting all files in a given directory except...... by asdfghjkl

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