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title: Binaries (dw::core::Binaries)
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product: DataWeave
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# Binaries (dw::core::Binaries)

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

This module contains helper functions for working with binaries.

To use this module, you must import it to your DataWeave code, for example, by adding the line
`import * from dw::core::Binaries` to the header of your DataWeave script.

## Functions

<table><colgroup><col> <col></colgroup><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr><td><p><a href="https://docs.mulesoft.com/dataweave/latest/dw-binaries-functions-concatwith">concatWith</a></p></td><td><p>Concatenates the content of two binaries.</p></td></tr><tr><td><p><a href="https://docs.mulesoft.com/dataweave/latest/dw-binaries-functions-frombase64">fromBase64</a></p></td><td><p>Transforms a Base64 string into a binary value.</p></td></tr><tr><td><p><a href="https://docs.mulesoft.com/dataweave/latest/dw-binaries-functions-fromhex">fromHex</a></p></td><td><p>Transforms a hexadecimal string into a binary.</p></td></tr><tr><td><p><a href="https://docs.mulesoft.com/dataweave/latest/dw-binaries-functions-readlineswith">readLinesWith</a></p></td><td><p>Splits the specified binary content into lines and returns the results in an array.</p></td></tr><tr><td><p><a href="https://docs.mulesoft.com/dataweave/latest/dw-binaries-functions-tobase64">toBase64</a></p></td><td><p>Transforms a binary value into a Base64 string.</p></td></tr><tr><td><p><a href="https://docs.mulesoft.com/dataweave/latest/dw-binaries-functions-tohex">toHex</a></p></td><td><p>Transforms a binary value into a hexadecimal string.</p></td></tr><tr><td><p><a href="https://docs.mulesoft.com/dataweave/latest/dw-binaries-functions-writelineswith">writeLinesWith</a></p></td><td><p>Writes the specified lines and returns the binary content.</p></td></tr></tbody></table>