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Determining if a folder is shared in .NET
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Is there a way in Java to determine if a path is valid without attempting to create a file?
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Better way to check if a Path is a File or a Directory?
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Is there a way to check if a file is in use?
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Powershell: resolve path that might not exist?
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Check whether files in a file list exist in a certain directory
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Detecting whether a file is locked by another process (or indeed the same process)
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Verify if file exists or not in C#
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Best way to determine if two path reference to same file in Windows?
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How do I check whether a file exists without exceptions?
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How to check if a column exists in a SQL Server table?
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How do I check if a file exists in Java?