This post was written by one of the stars in our developer community, Manik Magar 

Mule 4 beta is already out. One of the major change in Mule 4 is making DataWeave a default expression language over Mule 3’s default Mule Expression Language (MEL). The XML namespace of DataWeave is moved from dw to ee (core), and the DataWeave version has changed from 1.0 to 2.0 in Mule 4.

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Mule ESB allows you to connect to anything and anywhere using a wide range of connectors and endpoints. File connector is one of the commonly used connectors that allows you to read/write files with file systems. There are two ways to use file connector –

• Inbound Endpoint – When file connector is used at the beginning of the flow, it acts as an inbound endpoint where you can receive files for processing.

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