Empty directory: Difference between revisions

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Note some edge cases / format
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Starting with a path to some directory, determine whether the directory is empty.
 
An empty directory contains no files nor subdirectories. With [[Unix]] or [[Windows]] systems, every directory contains entriesand entry for '“<code>.'</code>” and 'almost every directory contains “<code>..'</code>” (except for a root directory); an empty directory contains no other entries.
 
=={{header|Ruby}}==
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