Choosing the Right Method
- For simple file existence checks on a standard local file system, either the java.io.File or java.nio.file.Files method will do the job.
- If you need more advanced features or performance optimizations, the java.nio.file.Files method is recommended.
- For files on HDFS, use the HDFS API as shown.
How to check if a file exists in Scala?
When working on software projects it’s crucial to check if a file exists before you interact with it in any way such as reading, writing, or modifying it. This practice helps avoid issues that may arise from attempting to handle an existing file. Scala provides methods to perform this check for the presence of a file.
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