[GitHub] [incubator-seatunnel] wuchunfu commented on a change in pull request #1370: [Improve][Connectors] Add description for system variables ${now}${uuid} in file-connector and support for flink

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wuchunfu commented on a change in pull request #1370:
URL: https://github.com/apache/incubator-seatunnel/pull/1370#discussion_r817401906



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File path: docs/en/flink/configuration/sink-plugins/File.md
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@@ -23,7 +23,24 @@ Currently, `csv` , `json` , and `text` are supported. The streaming mode current
 
 ### path [string]
 
-The file path is required. The `hdfs file` starts with `hdfs://` , and the `local file` starts with `file://` .
+The file path is required. The `hdfs file` starts with `hdfs://` , and the `local file` starts with `file://`,
+we can add the variable `${now}` or `${uuid}` in the path, like `hdfs:///test_${uuid}_${now}.txt`, 
+`${now}` represents the current time, and its format can be defined by specifying the option `path_time_format`
+
+### path_time_format [string]
+

Review comment:
       @simon824 Please add the `path_time_format` option in `Options` , thank you




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